Colorado PROFILES, The Colorado Clinical and Translational Sciences Institute (CCTSI)
Keywords
Last Name
Institution

Atsushi Oba

TitleElectronic Research Admin
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-SRG

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Kiritani S, Ono Y, Takamatsu M, Yoshio S, Miyashita M, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. ASO Visual Abstract: Unique Biology of Pancreatic Ductal Adenocarcinoma Accompanied by Rapidly Impaired Diabetes: A Favorable Long-term Survival after Curative Resection. Ann Surg Oncol. 2024 Mar; 31(3):1944-1945. PMID: 37865945.
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    2. Maekawa A, Oba A, Inoue Y, Omiya K, Ono Y, Sato T, Watanabe S, Uchino Y, Kobayashi K, Ito H, Sato Y, Tanabe M, Saiura A, Takahashi Y. ASO Visual Abstract: Technical Strategy for Pancreatic Body Cancers-A Raison d'Etre of Distal Pancreatectomy With Portal Resection. Ann Surg Oncol. 2024 Feb; 31(2):1371-1372. PMID: 38063986.
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    3. Omiya K, Maekawa A, Oba A, Inoue Y, Hirose Y, Kobayashi K, Ono Y, Sato T, Ichinose J, Sasaki T, Ozaka M, Wu YHA, Hiratsuka M, Matsueda K, Mun M, Sasahira N, Ito H, Saiura A, Takahashi Y. A proposal of ABCD metastasectomy criteria for synchronous/metachronous metastatic pancreatic cancer in the era of multidisciplinary treatment. Br J Surg. 2024 Jan 03; 111(1). PMID: 38215237.
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    4. Takeda T, Sasaki T, Ichinose J, Inoue Y, Okamoto T, Mie T, Furukawa T, Kasuga A, Oba A, Matsuura Y, Nakao M, Ozaka M, Mun M, Takahashi Y, Sasahira N. Outcomes of lung oligometastasis in pancreatic cancer. Jpn J Clin Oncol. 2023 Dec 07; 53(12):1144-1152. PMID: 37609670.
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    5. Maekawa A, Oba A, Omiya K, Inoue Y, Takahashi Y. ASO Author Reflections: Surgical Strategies for Pancreatic Body Cancers with Portal Vein Involvement: Distal Pancreatectomy or Pancreaticoduodenectomy? Ann Surg Oncol. 2024 02; 31(2):1366-1367. PMID: 38032464.
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    6. Maekawa A, Oba A, Inoue Y, Omiya K, Ono Y, Sato T, Watanabe S, Uchino Y, Kobayashi K, Ito H, Sato Y, Tanabe M, Saiura A, Takahashi Y. Technical Strategy for Pancreatic Body Cancers: A Raison d'etre of Distal Pancreatectomy with Portal Resection. Ann Surg Oncol. 2024 Feb; 31(2):1347-1357. PMID: 37952022.
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    7. Kobayashi K, Ono Y, Kitano Y, Oba A, Sato T, Ito H, Mise Y, Shinozaki E, Inoue Y, Yamaguchi K, Saiura A, Takahashi Y. ASO Visual Abstract: Prognostic Impact of Tumor Markers (CEA and CA19-9) in Patients with Resectable Colorectal Liver Metastases Stratified by Tumor Number and Size: Potentially Valuable Biological Markers for Preoperative Treatment. Ann Surg Oncol. 2023 11; 30(12):7391-7392. PMID: 37598123.
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    8. Kitano Y, Ono Y, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Shinozaki E, Yamaguchi K, Saiura A, Baba H, Takahashi Y. Neoadjuvant chemotherapy for borderline resectable colorectal cancer liver metastases: a single-institution retrospective study. HPB (Oxford). 2024 02; 26(2):282-290. PMID: 37985325.
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    9. Kiritani S, Ono Y, Takamatsu M, Yoshio S, Miyashita M, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. Unique Biology of Pancreatic Ductal Adenocarcinoma Accompanied by Rapidly Impaired Diabetes: A Favorable Long-Term Survival Following Curative Resection. Ann Surg Oncol. 2024 Jan; 31(1):514-524. PMID: 37803089.
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    10. Sato T, Inoue Y, Oba A, Ono Y, Ito H, Takahashi Y. Laparoscopic dissection around the superior mesenteric artery by left posterior approach during pancreaticoduodenectomy. Surg Endosc. 2023 11; 37(11):8871-8878. PMID: 37749200.
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    11. Nakamura T, Okada KI, Ohtsuka M, Higuchi R, Takahashi H, Nagai K, Unno M, Murakami Y, Oba A, Tomikawa M, Kato A, Horiguchi A, Nakamura M, Yagi S, Satoi S, Endo I, Amano R, Matsumoto I, Ito YM, Nagakawa T, Hirano S. Insights from managing clinical issues in distal pancreatectomy with en bloc coeliac axis resection: experiences from 626 patients. Br J Surg. 2023 09 06; 110(10):1387-1394. PMID: 37469172.
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    12. Takagi K, Inoue Y, Oba A, Ono Y, Sato T, Ito H, Saino Y, Saiura A, Takahashi Y. Impact of sarcopenia on S1 adjuvant chemotherapy and prognosis in pancreatic cancer patients. Biosci Trends. 2023 Sep 15; 17(4):310-317. PMID: 37648468.
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    13. Oba A, Maekawa A, Inoue Y, Makuuchi R, Omiya K, Kobayashi K, Ono Y, Sato T, Ohashi M, Ito H, Nunobe S, Takahashi Y. Robotic Splenic Vessels Preserving Distal Pancreatectomy in a Post-Distal Gastrectomy Patient. Ann Surg Oncol. 2023 Oct; 30(11):6680-6681. PMID: 37535269.
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    14. Kitano Y, Inoue Y, Takeda T, Oba A, Ono Y, Sato T, Ito H, Ozaka M, Sasaki T, Sasahira N, Baba H, Takahashi Y. ASO Visual Abstract: Clinical?Efficacy?of Neoadjuvant Chemotherapy?with Gemcitabine Plus S-1 for?Resectable?Pancreatic Ductal Adenocarcinoma?Compared?with?Upfront Surgery. Ann Surg Oncol. 2023 Aug; 30(8):5103-5104. PMID: 37173612.
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    15. Hashimoto D, Satoi S, Fujii T, Sho M, He J, Hackert T, Del Chiaro M, Jang JY, Gulla A, Yoon YS, Shan YS, Lou W, Valente R, Furuse J, Oba A, Nagai M, Terai T, Tanaka H, Sakai A, Yamamoto T, Yamaki S, Matsumoto I, Murakami Y, Takaori K, Takeyama Y. Is surgical resection justified for pancreatic ductal adenocarcinoma with distant abdominal organ metastasis? A position paper by experts in pancreatic surgery at the Joint Meeting of the International Association of Pancreatology (IAP) & the Japan Pancreas Society (JPS) 2022 in Kyoto. Pancreatology. 2023 Sep; 23(6):682-688. PMID: 37507301.
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    16. Oba A, Maekawa A, Makuuchi R, Inoue Y, Takahashi Y. ASO Author Reflections: Open/Robotic-Splenic Vessels Preserving Distal Pancreatectomy can be a Good Option for Post-Distal Gastrectomy Patients. Ann Surg Oncol. 2023 10; 30(11):6682-6683. PMID: 37423925.
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    17. Kiritani S, Oba A, Inoue Y, Ono Y, Sato T, Ito H, Takahashi Y. ASO Author Reflections: The Jejunum Patch Technique is Effective and Easy to Use During Central Pancreatectomy. Ann Surg Oncol. 2023 09; 30(9):5763-5764. PMID: 37410313.
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    18. Karam E, Hollenbach M, Abou Ali E, Auriemma F, Anderloni A, Barbier L, Belfiori G, Caillol F, Crippa S, Del Chiaro M, De Ponthaud C, Dahel Y, Falconi M, Giovannini M, Heling D, Inoue Y, Jarnagin WR, Leung G, Lupinacci RM, Mariani A, Masaryk V, Miksch RC, Musquer N, Napoleon B, Oba A, Partelli S, Petrone MC, Prat F, Repici A, Sauvanet A, Salzmann K, Schattner MA, Schulick R, Schwarz L, Soares K, Souche FR, Truant S, Vaillant JC, Wang T, Wedi E, Werner J, Weism?ller TJ, Wichmann D, Will U, Zaccari P, Gulla A, Heise C, Regner S, Gaujoux S. Endoscopic and Surgical Management of Non-Metastatic Ampullary Neuroendocrine Neoplasia: A Multi-Institutional Pancreas2000/EPC Study. Neuroendocrinology. 2023; 113(10):1024-1034. PMID: 37369186.
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    19. Kobayashi K, Ono Y, Kitano Y, Oba A, Sato T, Ito H, Mise Y, Shinozaki E, Inoue Y, Yamaguchi K, Saiura A, Takahashi Y. Prognostic Impact of Tumor Markers (CEA and CA19-9) on Patients with Resectable Colorectal Liver Metastases Stratified by Tumor Number and Size: Potentially Valuable Biologic Markers for Preoperative Treatment. Ann Surg Oncol. 2023 Nov; 30(12):7338-7347. PMID: 37365416.
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    20. Kiritani S, Oba A, Inoue Y, Ono Y, Sato T, Ito H, Takahashi Y. Jejunum Patch Technique During Robot-Assisted Central Pancreatectomy: A Lesson from Open Procedure Experience. Ann Surg Oncol. 2023 Sep; 30(9):5761-5762. PMID: 37314546.
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    21. Masugi Y, Takamatsu M, Tanaka M, Hara K, Inoue Y, Hamada T, Suzuki T, Arita J, Hirose Y, Kawaguchi Y, Nakai Y, Oba A, Sasahira N, Shimane G, Takeda T, Tateishi K, Uemura S, Fujishiro M, Hasegawa K, Kitago M, Takahashi Y, Ushiku T, Takeuchi K, Sakamoto M. Post-operative mortality and recurrence patterns in pancreatic cancer according to KRAS mutation and CDKN2A, p53, and SMAD4 expression. J Pathol Clin Res. 2023 09; 9(5):339-353. PMID: 37291757.
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    22. Oba A, Del Chiaro M, Fujii T, Okano K, Stoop TF, Wu YHA, Maekawa A, Yoshida Y, Hashimoto D, Sugawara T, Inoue Y, Tanabe M, Sho M, Sasaki T, Takahashi Y, Matsumoto I, Sasahira N, Nagakawa Y, Satoi S, Schulick RD, Yoon YS, He J, Jang JY, Wolfgang CL, Hackert T, Besselink MG, Takaori K, Takeyama Y. "Conversion surgery" for locally advanced pancreatic cancer: A position paper by the study group at the joint meeting of the International Association of Pancreatology (IAP) & Japan Pancreas Society (JPS) 2022. Pancreatology. 2023 Sep; 23(6):712-720. PMID: 37336669.
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    23. Kazami Y, Oba A, Ono Y, Sato T, Inoue Y, Saiura A, Takahashi Y, Ito H. Intraoperative paraaortic lymph node sampling during resection for pancreatic cancer: evolving role in the modern chemotherapy era. HPB (Oxford). 2023 10; 25(10):1169-1178. PMID: 37357111.
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    24. Kawano F, Ito H, Oba A, Ono Y, Sato T, Inoue Y, Mise Y, Saiura A, Takahashi Y. ASO Visual Abstract: Role of Intraoperative Assessment of Proximal Bile Duct Margin Status and Additional Resection of Perihilar Cholangiocarcinoma-Can Local Clearance Trump Tumor Biology? A Retrospective Cohort Study. Ann Surg Oncol. 2023 Jun; 30(6):3362. PMID: 36907964.
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    25. Sato S, Oba A, Kato T, Kobayashi K, Wu YHA, Ono Y, Sato T, Ito H, Inoue Y, Takahashi Y. Feasibility of laparoscopic radical antegrade modular pancreatosplenectomy (RAMPS) as a standard treatment for distal resectable pancreatic cancer. Langenbecks Arch Surg. 2023 May 30; 408(1):217. PMID: 37249638.
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    26. Kitano Y, Inoue Y, Takeda T, Oba A, Ono Y, Sato T, Ito H, Ozaka M, Sasaki T, Sasahira N, Baba H, Takahashi Y. Clinical Efficacy of Neoadjuvant Chemotherapy with Gemcitabine plus S-1 for Resectable Pancreatic Ductal Adenocarcinoma Compared with Upfront Surgery. Ann Surg Oncol. 2023 Aug; 30(8):5093-5102. PMID: 37140750.
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    27. Kato T, Ono Y, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. Treatment Strategy of Pancreas-Sparing Distal Duodenectomy for Distal Duodenal Malignancies with Adjustable Dissection Levels According to Disease Progression (with Video). World J Surg. 2023 07; 47(7):1752-1761. PMID: 36941481.
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    28. Sato S, Inoue Y, Oba A, Ono Y, Sato T, Ito H, Takahashi Y. The "Tube Submarine Technique": a safe and easy technique to place an external drainage tube during hepaticojejunostomy in minimally invasive surgery. Langenbecks Arch Surg. 2023 Mar 14; 408(1):117. PMID: 36914849.
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    29. Kawano F, Ito H, Oba A, Ono Y, Sato T, Inoue Y, Mise Y, Saiura A, Takahashi Y. Role of Intraoperative Assessment of Proximal Bile Duct Margin Status and Additional Resection of Perihilar Cholangiocarcinoma: Can Local Clearance Trump Tumor Biology? A Retrospective Cohort Study. Ann Surg Oncol. 2023 Jun; 30(6):3348-3359. PMID: 36790733.
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    30. Kobayashi K, Inoue Y, Omiya K, Sato S, Kato T, Oba A, Ono Y, Sato T, Ito H, Matsueda K, Saiura A, Takahashi Y. Diagnosis and management of postpancreatectomy hemorrhage: A single-center experience of consecutive 1,096 pancreatoduodenectomies. Pancreatology. 2023 Apr; 23(3):235-244. PMID: 36764874.
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    31. Kiritani S, Ono Y, Takamatsu M, Oba A, Sato T, Ito H, Inoue Y, Takahashi Y. Diabetogenic liver metastasis from pancreatic cancer: a case report. Surg Case Rep. 2022 Dec 28; 8(1):224. PMID: 36576596.
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    32. Oba A, Wu YHA, Schulick R, Del Chiaro M. Author response to: Comment on: Comparing neoadjuvant chemotherapy with or without radiation therapy for pancreatic ductal adenocarcinoma: National Cancer Database cohort analysis. Br J Surg. 2022 12 13; 110(1):112. PMID: 36245252.
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    33. Yoshino K, Osumi H, Ito H, Kamiimabeppu D, Ooki A, Wakatsuki T, Shimozaki K, Nakayama I, Ogura M, Takahari D, Chin K, Oba A, Ono Y, Sato T, Inoue Y, Takahashi Y, Yamaguchi K, Shinozaki E. ASO Visual Abstract: Clinical Usefulness of Postoperative Serum Carcinoembryonic Antigen in Patients with Colorectal Cancer with Liver Metastases. Ann Surg Oncol. 2022 Dec; 29(13):8396-8397. PMID: 35989393.
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    34. Kobayashi K, Ono Y, Sato S, Kato T, Oba A, Sato T, Ito H, Inoue Y, Takamatsu M, Saiura A, Takahashi Y. Evaluation of local recurrence after pancreaticoduodenectomy for borderline resectable pancreatic head cancer with neoadjuvant chemotherapy: Can the resection level change after chemotherapy? Surgery. 2023 05; 173(5):1220-1228. PMID: 36424197.
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    35. Kobayashi K, Inoue Y, Kitano Y, Sato S, Oba A, Ono Y, Sato T, Ito H, Mise Y, Saiura A, Takahashi Y. Optimizing the selection of technically unresectable colorectal liver metastases. Surgery. 2023 02; 173(2):442-449. PMID: 36384649.
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    36. Ono Y, Inoue Y, Ito H, Sasaki T, Takeda T, Ozaka M, Sasahira N, Hiratsuka M, Matsueda K, Oba A, Sato T, Saiura A, Takahashi Y. Analysis of prognostic factors for borderline resectable pancreatic cancer after neoadjuvant chemotherapy: the importance of CA19-9 decrease in patients with elevated pre-chemotherapy CA19-9 levels. HPB (Oxford). 2023 01; 25(1):100-108. PMID: 36280425.
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    37. Inoue Y, Sato T, Kato T, Oba A, Ono Y, Ito H, Makuuchi R, Takahashi Y. How Can We Optimize Surgical View During Robotic-Assisted Pancreaticoduodenectomy? Feasibility of Multiple Scope Transition Method. J Am Coll Surg. 2022 10 01; 235(4):e1-e7. PMID: 36106870.
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    38. Yoshino K, Osumi H, Ito H, Kamiimabeppu D, Ooki A, Wakatsuki T, Shimozaki K, Nakayama I, Ogura M, Takahari D, Chin K, Oba A, Ono Y, Sato T, Inoue Y, Takahashi Y, Yamaguchi K, Shinozaki E. Clinical Usefulness of Postoperative Serum Carcinoembryonic Antigen in Patients with Colorectal Cancer with Liver Metastases. Ann Surg Oncol. 2022 Dec; 29(13):8385-8393. PMID: 35974233.
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    39. Kato T, Ono Y, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. Comparison of the clinical efficacy of a new prognostic stratification for duodenal adenocarcinoma with that of TNM staging: The importance of T status with regard to the prognosis. Eur J Surg Oncol. 2023 01; 49(1):122-128. PMID: 35999143.
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    40. Oase K, Cheryl M, Oba A, Al-Musawi MH, Sheridan A, Norris E, Mehrotra S, Lovell MA, Schulick RD, Ahrendt SA, Del Chiaro M. Solid Pseudopapillary Neoplasm: A Single Institutional Case Series of a Rare Pancreatic Tumor. J Adv Pract Oncol. 2022 Jul; 13(5):497-505. PMID: 35910503.
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    41. Negrini D, Wu A, Oba A, Harnke B, Ciancio N, Krause M, Clavijo C, Al-Musawi M, Linhares T, Fernandez-Bustamante A, Schmidt S. Incidence of Postoperative Cognitive Dysfunction Following Inhalational vs Total Intravenous General Anesthesia: A Systematic Review and Meta-Analysis. Neuropsychiatr Dis Treat. 2022; 18:1455-1467. PMID: 35874550.
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    42. Inoue Y, Sato T, Kato T, Oba A, Ono Y, Mise Y, Ito H, Takahashi Y. Reproduction of modified Blumgart pancreaticojejunostomy in a robotic environment: a simple clipless technique. Surg Endosc. 2022 11; 36(11):8684-8689. PMID: 35773605.
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    43. Furukawa T, Takamatsu M, Inoue Y, Okamoto T, Mie T, Yamada Y, Takeda T, Kasuga A, Matsuyama M, Sasaki T, Ozaka M, Oba A, Ito H, Ono Y, Sato T, Takahashi YU, Saiura A, Sasahira N. Impact of Histological Features on Adjuvant Chemotherapy for Invasive Intraductal Papillary Mucinous Carcinoma. Anticancer Res. 2022 May; 42(5):2645-2655. PMID: 35489761.
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    44. Takahashi Y, Sasaki T, Sasahira N, Ito H, Ishizuka N, Inoue Y, Mise Y, Sato T, Ono Y, Oba A, Saiura A. Safety and efficacy of inside-stent as bridging therapy for malignant hilar biliary obstruction: single-centre prospective study. Br J Surg. 2022 04 19; 109(5):468-469. PMID: 35174384.
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    45. Oba A, Wu YHA, Colborn KL, Karam SD, Meguid C, Al-Musawi MH, Bao QR, Gleisner AL, Ahrendt S, Schulick RD, Del Chiaro M. Comparing neoadjuvant chemotherapy with or without radiation therapy for pancreatic ductal adenocarcinoma: National Cancer Database cohort analysis. Br J Surg. 2022 04 19; 109(5):450-454. PMID: 35136963.
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    46. Ushida Y, Inoue Y, Oba A, Mie T, Ito H, Ono Y, Sato T, Ozaka M, Sasaki T, Saiura A, Sasahira N, Takahashi Y. ASO Author Reflections: What are the Indications for Conversion Surgery for Initially Unresectable Pancreatic Cancer Who Received Modified FOLFIRINOX or Gemcitabine Plus Nab-paclitaxel? Is Surgery Really Worthwhile after Sufficient Chemotherapy? Ann Surg Oncol. 2022 08; 29(8):5051-5052. PMID: 35366705.
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    47. Ushida Y, Inoue Y, Oba A, Mie T, Ito H, Ono Y, Sato T, Ozaka M, Sasaki T, Saiura A, Sasahira N, Takahashi Y. Optimizing Indications for Conversion Surgery Based on Analysis of 454 Consecutive Japanese Cases with Unresectable Pancreatic Cancer Who Received Modified FOLFIRINOX or Gemcitabine Plus Nab-paclitaxel: A Single-Center Retrospective Study. Ann Surg Oncol. 2022 Aug; 29(8):5038-5050. PMID: 35294658.
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    48. Hayashi K, Ono Y, Takamatsu M, Oba A, Ito H, Sato T, Inoue Y, Saiura A, Takahashi Y. Prediction of Recurrence Pattern of Pancreatic Cancer Post-Pancreatic Surgery Using Histology-Based Supervised Machine Learning Algorithms: A Single-Center Retrospective Study. Ann Surg Oncol. 2022 Mar 01. PMID: 35230581.
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    49. Kato T, Inoue Y, Oba A, Ono Y, Sato T, Ito H, Takahashi Y. Laparoscopic Radical Antegrade Modular Pancreatosplenectomy with Anterocranial Splenic Artery-First Approach for Left-Sided Resectable Pancreatic Cancer (with Videos). Ann Surg Oncol. 2022 Jun; 29(6):3505-3514. PMID: 35157192.
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    50. Kuroki N, Ono Y, Sato T, Inoue Y, Oba A, Ito H, Mise Y, Saiura A, Takahashi Y. Long-Term Outcome of Patients with Postoperative Refractory Diarrhea After Tailored Nerve Plexus Dissection Around the Major Visceral Arteries During Pancreatoduodenectomy for Pancreatic Cancer. World J Surg. 2022 05; 46(5):1172-1182. PMID: 35119513.
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    51. Omichi K, Inoue Y, Mise Y, Oba A, Ono Y, Sato T, Ito H, Takahashi Y, Saiura A. Hepatectomy with Perioperative Chemotherapy for Multiple Colorectal Liver Metastases is the Available Option for Prolonged Survival. Ann Surg Oncol. 2022 Jun; 29(6):3567-3576. PMID: 35118524.
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    52. Omiya K, Oba A, Inoue Y, Kobayashi K, Wu YHA, Ono Y, Sato T, Sasaki T, Ozaka M, Sasahira N, Ito H, Saiura A, Takahashi Y. Serum DUPAN-2 could be an Alternative Biological Marker for CA19-9 Nonsecretors with Pancreatic Cancer. Ann Surg. 2023 06 01; 277(6):e1278-e1283. PMID: 35081567.
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    53. Ushida Y, Sato T, Kato T, Shigematsu Y, Ito H, Suzuki T, Inoue Y, Ono Y, Oba A, Takahashi Y. Conversion surgery for recurrent hepatic angiosarcoma after systemic chemotherapy with paclitaxel. Clin J Gastroenterol. 2022 Apr; 15(2):427-432. PMID: 35028907.
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    54. Oba A, Croce C, Hosokawa P, Meguid C, Torphy RJ, Al-Musawi MH, Ahrendt S, Gleisner A, Schulick RD, Del Chiaro M. Prognosis Based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines. Ann Surg. 2022 01 01; 275(1):175-181. PMID: 32149822.
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    55. Schulick RD, Oba A, Del Chiaro M. Response to the Comment on "Prognosis-based Definition of Resectability in Pancreatic Cancer: A Road Map to New Guidelines". Ann Surg. 2021 12 01; 274(6):e770-e771. PMID: 33074877.
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    56. Kawano F, Mise Y, Yamamoto J, Oba A, Ono Y, Sato T, Inoue Y, Ito H, Takahashi Y, Saiura A. Hepatic vein resection and reconstruction for liver malignancies: expanding indication and enhancing parenchyma-sparing hepatectomy. BJS Open. 2021 11 09; 5(6). PMID: 35029655.
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    57. Machairas N, Raptis DA, Vel?zquez PS, Sauvanet A, Rueda de Leon A, Oba A, Koerkamp BG, Lovasik B, Chan C, Yeo CJ, Bassi C, Ferrone CR, Kooby D, Moskal D, Tamburrino D, Yoon DS, Barroso E, de Santiba?es E, Kauffmann EF, Vigia E, Robin F, Casciani F, Burd?o F, Belfiori G, Malleo G, Lavu H, Hartog H, Hwang HK, Han HS, Marques HP, Poves I, Dom?nguez-Rosado I, Park JS, Lillemoe KD, Roberts K, Sulpice L, Besselink MG, Abuawwad M, Del Chiaro M, de Santiba?es M, Falconi M, D'Silva M, Silva M, Hilal MA, Qadan M, Sell NM, Beghdadi N, Napoli N, Busch ORC, Mazza O, Muiesan P, M?ller PC, Ravikumar R, Schulick R, Powell-Brett S, Abbas SH, Mackay TM, Stoop TF, Gallagher TK, Boggi U, van Eijck C, Clavien PA, Conlon KCP, Fusai GK. The Impact of Neoadjuvant Treatment on Survival in Patients Undergoing Pancreatoduodenectomy With Concomitant Portomesenteric Venous Resection: An International Multicenter Analysis. Ann Surg. 2021 11 01; 274(5):721-728. PMID: 34353988.
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    58. Ono Y, Inoue Y, Kato T, Matsueda K, Oba A, Sato T, Ito H, Saiura A, Takahashi Y. Sinistral Portal Hypertension after Pancreaticoduodenectomy with Splenic Vein Resection: Pathogenesis and Its Prevention. Cancers (Basel). 2021 Oct 24; 13(21). PMID: 34771498.
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    59. Oba A, Del Chiaro M, Satoi S, Kim SW, Takahashi H, Yu J, Hioki M, Tanaka M, Kato Y, Ariake K, Wu YHA, Inoue Y, Takahashi Y, Hackert T, Wolfgang CL, Besselink MG, Schulick RD, Nagakawa Y, Isaji S, Tsuchida A, Endo I. New criteria of resectability for pancreatic cancer: A position paper by the Japanese Society of Hepato-Biliary-Pancreatic Surgery (JSHBPS). J Hepatobiliary Pancreat Sci. 2022 Jul; 29(7):725-731. PMID: 34581016.
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    60. Oba A, Kato T, Inoue Y, Wu YHA, Ono Y, Sato T, Ito H, Saiura A, Takahashi Y. Extent of venous resection during pancreatectomy-finding the balance of technical possibility and feasibility. J Gastrointest Oncol. 2021 Oct; 12(5):2495-2502. PMID: 34790410.
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    61. Wu YHA, Oba A, Lin R, Watanabe S, Meguid C, Schulick RD, Del Chiaro M. Selecting surgical candidates with locally advanced pancreatic cancer: a review for modern pancreatology. J Gastrointest Oncol. 2021 Oct; 12(5):2475-2483. PMID: 34790408.
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    62. Watanabe G, Ushida Y, Oba A, Ono Y, Sato T, Inoue Y, Takahashi Y, Saiura A, Ito H. Impact of Tumor Size on the Outcomes of Patients with Resectable Distal Pancreatic Cancer: Lessons Learned from a Series of 158 Radical Resections. Ann Surg Oncol. 2022 Jan; 29(1):378-388. PMID: 34403004.
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    63. Ushida Y, Ito H, Inoue Y, Sato T, Ono Y, Oba A, Takahashi Y. Liposarcoma of gallbladder: a case report and literature review. J Surg Case Rep. 2021 Jun; 2021(6):rjab273. PMID: 34168860.
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    64. Inoue Y, Saiura A, Sato T, Oba A, Ono Y, Mise Y, Ito H, Takahashi Y. Details and Outcomes of Distal Pancreatectomy with Celiac Axis Resection Preserving the Left Gastric Arterial Flow. Ann Surg Oncol. 2021 Dec; 28(13):8283-8294. PMID: 34143337.
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    65. Inoue Y, Saiura A, Sato T, Oba A, Ono Y, Mise Y, Ito H, Takahashi Y. ASO Author Reflections: The Operative and Perioperative Strategy for Distal Pancreatectomy with Celiac Axis Resection-Can We Improve the Safety for This Morbid Operation? Ann Surg Oncol. 2021 12; 28(13):8295-8296. PMID: 34085139.
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    66. Terasawa M, Mise Y, Yoshioka R, Oba A, Ono Y, Inoue Y, Imamura H, Hiromichi I, Takahashi Y, Kawasaki S, Saiura A. Preoperative Decision to Perform Portal Vein Resection Improves Survival in Patients With Resectable Pancreatic Head Cancer Adjacent to Portal Vein. Ann Surg Open. 2021 Jun; 2(2):e064. PMID: 37636553.
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    67. Wu YHA, Oba A, Beaty L, Colborn KL, Rodriguez Franco S, Harnke B, Meguid C, Negrini D, Valente R, Ahrendt S, Schulick RD, Del Chiaro M. Ductal Dilatation of =5 mm in Intraductal Papillary Mucinous Neoplasm Should Trigger the Consideration for Pancreatectomy: A Meta-Analysis and Systematic Review of Resected Cases. Cancers (Basel). 2021 Apr 22; 13(9). PMID: 33922344.
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    68. Takahashi Y, Sasahira N, Sasaki T, Inoue Y, Mise Y, Sato T, Ono Y, Oba A, Saiura A, Ito H. The role of stent placement above the papilla (inside-stent) as a bridging therapy for perihilar biliary malignancy: an initial experience. Surg Today. 2021 Nov; 51(11):1795-1804. PMID: 33835263.
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    69. Ushida Y, Inoue Y, Ito H, Oba A, Mise Y, Ono Y, Sato T, Saiura A, Takahashi Y. High CA19-9 level in resectable pancreatic cancer is a potential indication of neoadjuvant treatment. Pancreatology. 2021 Jan; 21(1):130-137. PMID: 33303373.
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    70. Inoue Y, Saiura A, Oba A, Ono Y, Mise Y, Ito H, Sasaki T, Ozaka M, Sasahira N, Takahashi Y. Neoadjuvant gemcitabine and nab-paclitaxel for borderline resectable pancreatic cancers: Intention-to-treat analysis compared with upfront surgery. J Hepatobiliary Pancreat Sci. 2021 Feb; 28(2):143-155. PMID: 33058515.
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    71. Raptis DA, S?nchez-Vel?zquez P, Machairas N, Sauvanet A, Rueda de Leon A, Oba A, Groot Koerkamp B, Lovasik B, Chan C, Yeo CJ, Bassi C, Ferrone CR, Kooby D, Moskal D, Tamburrino D, Yoon DS, Barroso E, de Santiba?es E, Kauffmann EF, Vigia E, Robin F, Casciani F, Burd?o F, Belfiori G, Malleo G, Lavu H, Hartog H, Hwang HK, Han HS, Poves I, Rosado ID, Park JS, Lillemoe KD, Roberts KJ, Sulpice L, Besselink MG, Abuawwad M, Del Chiaro M, de Santiba?es M, Falconi M, D'Silva M, Silva M, Abu Hilal M, Qadan M, Sell NM, Beghdadi N, Napoli N, Busch ORC, Mazza O, Muiesan P, M?ller PC, Ravikumar R, Schulick R, Powell-Brett S, Abbas SH, Mackay TM, Stoop TF, Gallagher TK, Boggi U, van Eijck C, Clavien PA, Conlon KCP, Fusai GK. Defining Benchmark Outcomes for Pancreatoduodenectomy With Portomesenteric Venous Resection. Ann Surg. 2020 11; 272(5):731-737. PMID: 32889866.
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    72. Croce C, Mungo B, Oba A, Schulick RD, Del Chiaro M. ASO Author Reflections: Which Patients with Invasive Intraductal Papillary Mucinous Neoplasm Can Benefit from Adjuvant Therapy? Ann Surg Oncol. 2020 Dec; 27(Suppl 3):873-874. PMID: 32893319.
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    73. Mungo B, Croce C, Oba A, Ahrendt S, Gleisner A, Friedman C, Schulick RD, Del Chiaro M. Controversial Role of Adjuvant Therapy in Node-Negative Invasive Intraductal Papillary Mucinous Neoplasm. Ann Surg Oncol. 2021 Mar; 28(3):1533-1542. PMID: 32743713.
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    74. Oba A, Stoop TF, L?hr M, Hackert T, Zyromski N, Nealon WH, Unno M, Schulick RD, Al-Musawi MH, Wu W, Zhao Y, Satoi S, Wolfgang CL, Abu Hilal M, Besselink MG, Del Chiaro M. Global Survey on Pancreatic Surgery During the COVID-19 Pandemic. Ann Surg. 2020 08; 272(2):e87-e93. PMID: 32675507.
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    75. Wu YHA, Samuels JM, Harnke B, Negrini D, Al-Musawi MH, Meguid C, Ahrendt S, Schulick RD, Del Chiaro M, Oba A. Multifocal/diffuse pancreatic serous cystic neoplasms: Systematic review with a new case. Pancreatology. 2020 Jul; 20(5):902-909. PMID: 32418758.
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    76. Kawakatsu S, Ishizawa T, Fujimoto Y, Oba A, Mise Y, Inoue Y, Ito H, Takahashi Y, Ueno M, Saiura A. Impact on operative outcomes of laparoscopic simultaneous resection of colorectal cancer and synchronous liver metastases. Asian J Endosc Surg. 2021 Jan; 14(1):34-43. PMID: 32246587.
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    77. Oba A, Ho F, Bao QR, Al-Musawi MH, Schulick RD, Del Chiaro M. Neoadjuvant Treatment in Pancreatic Cancer. Front Oncol. 2020; 10:245. PMID: 32185128.
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    78. Oba A, Inoue Y, Ono Y, Irie S, Sato T, Mise Y, Ito H, Takahashi Y, Saiura A. Radiologically occult metastatic pancreatic cancer: how can we avoid unbeneficial resection? Langenbecks Arch Surg. 2020 Feb; 405(1):35-41. PMID: 31781919.
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    79. Oba A, Inoue Y, Sato T, Ono Y, Mise Y, Ito H, Ishizawa T, Takahashi Y, Saiura A. Impact of indocyanine green-fluorescence imaging on distal pancreatectomy with celiac axis resection combined with reconstruction of the left gastric artery. HPB (Oxford). 2019 05; 21(5):619-625. PMID: 30401519.
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    80. Inoue Y, Saiura A, Oba A, Kawakatsu S, Ono Y, Sato T, Mise Y, Ishizawa T, Takahashi Y, Ito H. Optimal Extent of Superior Mesenteric Artery Dissection during Pancreaticoduodenectomy for Pancreatic Cancer: Balancing Surgical and Oncological Safety. J Gastrointest Surg. 2019 07; 23(7):1373-1383. PMID: 30306451.
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    81. Oba A, Mise Y, Ito H, Hiratsuka M, Inoue Y, Ishizawa T, Arita J, Matsueda K, Takahashi Y, Saiura A. Clinical implications of disappearing colorectal liver metastases have changed in the era of hepatocyte-specific MRI and contrast-enhanced intraoperative ultrasonography. HPB (Oxford). 2018 08; 20(8):708-714. PMID: 29534862.
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    82. Oba A, Ban D, Kirimura S, Akahoshi K, Mitsunori Y, Matsumura S, Ochiai T, Kudo A, Tanaka S, Minoru T. Clinical application of the biomarkers for the selection of adjuvant chemotherapy in pancreatic ductal adenocarcinoma. J Hepatobiliary Pancreat Sci. 2016 Aug; 23(8):480-8. PMID: 27247050.
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