Atsushi Oba, MD, PhD

Publications

• Shibata Y, Jansson H, Kobayashi K, Yu W, Oba A, Ghorbani P, Ono Y, D'Souza MA, Sturesson C, Ito H, Sparrelid E, Inoue Y, Gilg S, Takahashi Y. Assessing surgical resection in recurrent biliary tract cancer: International two-centre experience. Eur J Surg Oncol. 2026 Jan;52(1):111159. PubMed PMID: 41237475
• Oba A, Shimane G, Makuuchi R, Kiritani S, Kobayashi K, Ri M, Ono Y, Hayami M, Irino T, Ito H, Inoue Y, Ohashi M, Nunobe S, Takahashi Y. Robotic Pancreatectomy as an Adjunct to Radical Gastrectomy for Advanced Gastric Cancer: Surgical and Clinical Implications. Ann Surg Oncol. 2025 Nov 26. [Epub ahead of print] PubMed PMID: 41296231
• Ito R, Oba A, Baba H, Shimane G, Sugiura K, Sawa Y, Shibata Y, Kiritani S, Kobayashi K, Ono Y, Inoue Y, Ito H, Yoshioka R, Mise Y, Saiura A, Takahashi Y. A Widely Applicable CAD-Based Intraoperative 3D Navigation Method for Hepatopancreatobiliary Surgery. Ann Surg Oncol. 2025 Dec 17. [Epub ahead of print] PubMed PMID: 41407966
• Stoop TF, Lutchman KRD, Theijse RT, Larsson P, Oba A, Groot Koerkamp B, van Eijck CHJ, Wolfgang CL, Rangelova E, Marchegiani G, Endo I, Jang JY, Primrose JM, Ramia JM, Katz MHG, Abu Hilal M, Ghorbani P, Shrikhande SV, Hackert T, Nealon WH, Truty MJ, Del Chiaro M, Besselink MG. Staging laparoscopy to detect occult metastases in localized pancreatic cancer: global survey among nine international societies. HPB (Oxford). 2025 Dec 6. [Epub ahead of print] PubMed PMID: 41421934
• Miyata T, Oba A, Kobayashi K, Ono Y, Ito H, Iwatsuki M, Matsueda K, Inoue Y, Takahashi Y. ASO Author Reflections: Beware the Collaterals: Vein Formation Signals Higher Surgical Risk in Pancreatic Ductal Adenocarcinoma. Ann Surg Oncol. 2025 Dec 28. [Epub ahead of print] PubMed PMID: 41457121
• Ito R, Oba A, Saiura A, Takahashi Y. ASO Author Reflections: Democratizing Intraoperative Navigation through Simple CAD-Based 3D Modeling in HPB Surgery. Ann Surg Oncol. 2025 Dec 28. [Epub ahead of print] PubMed PMID: 41457122
• Kobayashi K, Inoue Y, Oba A, Ono Y, Osumi H, Sato T, Ito H, Mise Y, Shinozaki E, Yamaguchi K, Saiura A, Takahashi Y. Strategies for Recurrent Colorectal Liver Metastases Based on Prognostic Factors and Resectability: Potential Benefit of Multidisciplinary Treatment. Ann Surg Oncol. 2025 Mar;32(3):1729-1741. PubMed PMID: 39580378
• Irie S, Inoue Y, Oba A, Ono Y, Sato T, Mise Y, Ito H, Saiura A, Takahashi Y. Technical Guidelines for Safe Mesojejunum Dissection During Pancreaticoduodenectomy: Unveiling Critical Techniques in a Complex Procedure. Ann Surg Oncol. 2025 Mar;32(3):1850-1857. PubMed PMID: 39617861
• Hollenbach M, Heise C, Abou-Ali E, Gulla A, Auriemma F, Soares K, Leung G, Schattner MA, Jarnagin WR, Wang T, Caillol F, Giovannini M, Dahel Y, Hackert T, Paik WH, Zerbi A, Nappo G, Napoleon B, Arnelo U, Haraldsson E, Halimi A, Waldthaler A, Will U, Saadeh R, Masaryk V, van der Wiel SE, Bruno MJ, Perez-Cuadrado-Robles E, Deprez P, Sauvanet A, Bolm L, Keck T, Souche R, Fabre JM, Musquer N, Kähler G, Seyfried S, Petrone MC, Mariani A, Zaccari P, Belfiori G, Crippa S, Falconi M, Partelli S, Yilmaz B, Demir IE, Ceyhan GO, Satoi S, Regimbeau JM, Gagniére J, Repici A, Anderloni A, Vollmer C, Casciani F, Del Chiaro M, Oba A, Schulick RD, Berger A, Maggino L, Salvia R, Schemmer P, Wichmann D, Inoue Y, Dinis-Ribeiro M, Laranjo A, Libanio D, Kleemann T, Sandru V, Ilie M, Ahola R, Laukkarinen J, Schumacher B, Albers D, Cúrdia Gonçalves T, Barbier L, Salamé E, Weismüller TJ, Heling D, Alves A, Karam E, Regenet N, Dugic A, Muehldorfer S, Truant S, Caca K, Meier B, Miutescu BP, Tantau M, Birnbaum D, Miksch RC, Wedi E, Salzmann K, Bruzzi M, Lupinacci RM, David P, De Ponthaud C, Schmidt A, Regnér S, Gaujoux S. Endoscopic papillectomy versus surgical ampullectomy for adenomas and early cancers of the papilla: a retrospective Pancreas2000/European Pancreatic Club analysis. Gut. 2025 Feb 6;74(3):397-409. PubMed PMID: 39642968
• Rangelova E, Stoop TF, van Ramshorst TME, Ali M, van Bodegraven EA, Javed AA, Hashimoto D, Steyerberg E, Banerjee A, Jain A, Sauvanet A, Serrablo A, Giani A, Giardino A, Zerbi A, Arshad A, Wijma AG, Coratti A, Zironda A, Socratous A, Rojas A, Halimi A, Ejaz A, Oba A, Patel BY, Björnsson B, Reames BN, Tingstedt B, Goh BKP, Payá-Llorente C, Del Pozo CD, González-Abós C, Medin C, van Eijck CHJ, de Ponthaud C, Takishita C, Schwabl C, Månsson C, Ricci C, Thiels CA, Douchi D, Hughes DL, Kilburn D, Flanking D, Kleive D, Silva DS, Edil BH, Pando E, Moltzer E, Kauffman EF, Warren E, Bozkurt E, Sparrelid E, Thoma E, Verkolf E, Ausania F, Giannone F, Hüttner FJ, Burdio F, Souche FR, Berrevoet F, Daams F, Motoi F, Saliba G, Kazemier G, Roeyen G, Nappo G, Butturini G, Ferrari G, Kito Fusai G, Honda G, Sergeant G, Karteszi H, Takami H, Suto H, Matsumoto I, Mora-Oliver I, Frigerio I, Fabre JM, Chen J, Sham JG, Davide J, Urdzik J, de Martino J, Nielsen K, Okano K, Kamei K, Okada K, Tanaka K, Labori KJ, Goodsell KE, Alberici L, Webber L, Kirkov L, de Franco L, Miyashita M, Maglione M, Gramellini M, Ramera M, Amaral MJ, Ramaekers M, Truty MJ, van Dam MA, Stommel MWJ, Petrikowski M, Imamura M, Hayashi M, D'Hondt M, Brunner M, Hogg ME, Zhang C, Suárez-Muñoz MÁ, Luyer MD, Unno M, Mizuma M, Janot M, Sahakyan MA, Jamieson NB, Busch OR, Bilge O, Belyaev O, Franklin O, Sánchez-Velázquez P, Pessaux P, Holka PS, Ghorbani P, Casadei R, Sartoris R, Schulick RD, Grützmann R, Sutcliffe R, Mata R, Patel RB, Takahashi R, Rodriguez Franco S, Cabús SS, Hirano S, Gaujoux S, Festen S, Kozono S, Maithel SK, Chai SM, Yamaki S, van Laarhoven S, Mieog JSD, Murakami T, Codjia T, Sumiyoshi T, Karsten TM, Nakamura T, Sugawara T, Boggi U, Hartman V, de Meijer VE, Bartholomä W, Kwon W, Koh YX, Cho Y, Takeyama Y, Inoue Y, Nagakawa Y, Kawamoto Y, Ome Y, Soonawalla Z, Uemura K, Wolfgang CL, Jang JY, Padbury R, Satoi S, Messersmith W, Wilmink JW, Abu Hilal M, Besselink MG, Del Chiaro M. The impact of neoadjuvant therapy in patients with left-sided resectable pancreatic cancer: an international multicenter study. Ann Oncol. 2025 May;36(5):529-542. PubMed PMID: 39814200
• Stoop TF, Molnár A, Seelen LWF, Sugawara T, Scheepens JCM, Ali M, Javed AA, Halimi A, Oba A, Groot Koerkamp B, Andersson B, Williamsson C, Wolfgang CL, Ban D, Sparrelid E, Daams F, Kazemier G, van Santvoort HC, Rompen IF, Molenaar IQ, Habib JR, Beuk LPM, Geerdink NJ, de Wilde RF, Busch OR, Swartling O, Bereza-Carlson P, Ghorbani P, Kruize RL, Schulick RD, Franco SR, Miyata T, Franklin O, Inoue Y, Besselink MG, Del Chiaro M. Tangential Versus Segmental Portomesenteric Venous Resection During Pancreatoduodenectomy for Pancreatic Cancer: An International Multicenter Cohort Study on Surgical and Oncological Outcome. Ann Surg. 2025 Jan 22. [Epub ahead of print] PubMed PMID: 39846439
• Stoop TF, Sugawara T, Oba A, Feld IM, van Roessel S, van Veldhuisen E, Wu YHA, Nishino J, Ali M, Alseidi A, Sauvanet A, Mirabella A, Sa Cunha A, Kokkola A, Groot Koerkamp B, Pietrasz D, Kleive D, Butturini G, Malleo G, van Laarhoven HWM, Frigerio I, Dembinski J, He J, Gagnière J, Kleeff J, Ramia JM, Roberts KJ, Labori KJ, Marino MV, Falconi M, B Mortensen M, Lesurtel M, Bonds M, Chatzizacharias N, Strobel O, Turrini O, Griffin O, Franklin O, Pfeiffer P, Schulick RD, Salvia R, de Wilde RF, Dokmak S, Rodriguez Franco S, Augustinus S, Burgdorf SK, Crippa S, Hackert T, Tarvainen T, Burns WR, Messersmith W, Wilmink JW, Burkhart RA, Del Chiaro M, Besselink MG. Adjuvant Chemotherapy After Resection of Localized Pancreatic Adenocarcinoma Following Preoperative FOLFIRINOX. JAMA Oncol. 2025 Mar 1;11(3):276-287. PubMed PMID: 39847363
• Maekawa A, Omiya K, Oba A, Inoue Y, Hirose Y, Kobayashi K, Ono Y, Sato T, Sasaki T, Ozaka M, Matsueda K, Mise Y, Takamatsu M, Shigematsu Y, Ito H, Saiura A, Sasahira N, Takahashi Y. Clinical implications of disappearing pancreatic cancer liver metastases: Lessons from colorectal liver metastases. Eur J Surg Oncol. 2025 May;51(5):109635. PubMed PMID: 39879814
• Oba A, Tanaka K, Inoue Y, Valente R, Rangelova E, Arnelo U, Ono Y, Sato T, Torphy RJ, Ito H, Löhr M, Takahashi Y, Schulick RD, Saiura A, Sparrelid E, Del Chiaro M. Pancreatectomies with vein resection: Two large institutions' experience of East and West. Pancreatology. 2025 Mar;25(2):250-257. PubMed PMID: 39880760
• Kiritani S, Inoue Y, Sato T, Sawa Y, Kobayashi K, Oba A, Ono Y, Ito H, Takahashi Y. A left-posterior approach to the superior mesenteric artery during robot-assisted pancreaticoduodenectomy. J Hepatobiliary Pancreat Sci. 2025 Apr;32(4):317-326. PubMed PMID: 39981791
• Ono Y, Ito R, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Takahashi Y. ASO Author Reflections: Advancing the Superior Mesenteric Arterial Divestment for Locally Advanced Pancreatic Cancer: New Standard Procedure and Future Prospectives. Ann Surg Oncol. 2025 Jun;32(6):4435-4436. PubMed PMID: 40025322
• Maekawa A, Sato T, Tsuchiya S, Kobayashi K, Oba A, Ono Y, Ito H, Inoue Y, Matsueda K, Takahashi Y. A Multimodal Approach Utilizing Balloon Occlusion for Postpancreatectomy Hemorrhage: A Case Report. Surg Case Rep. 2025;11(1). PubMed PMID: 40040630
• Ono Y, Ito R, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Takahashi Y. Technique of Circumferential Divestment of the Superior Mesenteric Artery for Locally Advanced Pancreatic Cancer. Ann Surg Oncol. 2025 Jun;32(6):4417-4418. PubMed PMID: 40106108
• Ito R, Ono Y, Takeda Y, Shimane G, Sugiura K, Shibata Y, Sawa Y, Kobayashi K, Oba A, Ito H, Inoue Y, Saiura A, Takahashi Y. Multidirectional Pulley Maneuver Technique in Robotic Hepatectomy. Ann Surg Oncol. 2025 Jul;32(7):5022-5023. PubMed PMID: 40123026
• Bolm L, Nebbia M, Stoop TF, Goetz MR, Conradi L, Raschzok N, Jansson H, Larsson P, Gerber S, Roldàn J, Michelakos T, Ten Winkel M, Kinny-Köster B, Rompen IF, Franklin O, Ziogas IA, Ishida H, Khomiak A, Hashimoto D, Groot VP, Wu YHA, Sugawara T, Oba A, Maekawa A, Oor JE, Morandi A, Stewart DB, Zyromski NJ. Building an international network of young surgeons across surgical specialties - Introducing the Young Surgeons Publications Committee. Surg Open Sci. 2025 Mar;24:70-71. PubMed PMID: 40124855
• Sawa Y, Inoue Y, Kobayashi K, Oba A, Ono Y, Ito H, Takahashi Y. A Robotic Pancreaticoduodenectomy Case Involving a Meandering Main Pancreatic Duct Coursing Posterior to a Replaced Common Hepatic Artery and in Front of the Portal Vein. Surg Case Rep. 2025;11(1). PubMed PMID: 40144705
• Baba H, Oba A, Maekawa A, Kiritani S, Kobayashi H, Takahashi A, Omiya K, Kobayashi K, Ono Y, Sato T, Ito H, Inoue Y, Takahashi Y. Polyglycolic Acid Mesh and Fibrin Glue in Minimally Invasive Left Pancreatectomy: Video Technique and Single-Center Data. Ann Surg Oncol. 2025 Jul;32(7):5102-5103. PubMed PMID: 40169483
• Baba H, Oba A, Inoue Y, Kobayashi K, Ono Y, Sato T, Ito H, Takahashi Y. ASO Author Reflections: Enhancing Safety in Minimally Invasive Left Pancreatectomy with Polyglycolic Acid Mesh Wrapping. Ann Surg Oncol. 2025 Jul;32(7):5124-5125. PubMed PMID: 40178672
• Stoop TF, Javed AA, Oba A, Koerkamp BG, Seufferlein T, Wilmink JW, Besselink MG. Pancreatic cancer. Lancet. 2025 Apr 5;405(10485):1182-1202. PubMed PMID: 40187844
• Jansson H, Oba A, Maekawa A, Villard C, Kobayashi K, Ono Y, Engstrand J, Kawano F, Ito H, Gilg S, Inoue Y, D'Souza MA, Takahashi Y. Western and Eastern experience in treating perihilar cholangiocarcinoma: retrospective bi-centre study. BJS Open. 2025 Mar 4;9(2). PubMed PMID: 40200911
• Ishida H, Stoop TF, Oba A, Bachellier P, Ban D, Endo I, Franklin O, Fujii T, Gulla A, Hackert T, Halimi A, Hirano S, Jang JY, Katz MHG, Maekawa A, Nealon WH, Perri G, Ramia JM, Rompen IF, Satoi S, Schulick RD, Shrikhande SV, Tsung A, Wolfgang CL, Besselink MG, Del Chiaro M. Global survey on surgeon preference and current practice for pancreatic neck and body cancer with portomesenteric venous involvement. HPB (Oxford). 2025 Jul;27(7):910-921. PubMed PMID: 40204592
• Hirose Y, Oba A, Inoue Y, Maekawa A, Kobayashi K, Omiya K, Takahashi A, Ono Y, Sato T, Ito H, Mie T, Sasaki T, Ozaka M, Sasahira N, Wakai T, Takahashi Y. Arterial resection and divestment in pancreatic cancer surgery in the era of multidisciplinary treatment: decadal comparative study. BJS Open. 2025 Mar 4;9(2). PubMed PMID: 40244877
• Stoop TF, Wu YHA, Oba A, Ali M, Feld IM, Al-Musawi MH, Jain A, Saiura A, Sauvanet A, Coppola A, Javed AA, Groot Koerkamp B, Miller BN, Hashimoto D, Caputo D, Kleive D, Sereni E, Kazemier G, Belfiori G, Ishida H, van Dam JL, Dembinski J, Akahoshi K, Roberts KJ, Tanaka K, Labori KJ, Falconi M, House MG, Sugimoto M, Tanabe M, Gotohda N, Chatzizacharias N, Krohn PS, Dokmak S, Rodriguez Franco S, Hirano S, Burgdorf SK, Crippa S, Satoi S, Nguyen TK, Yamamoto T, Nakamura T, Ushida Y, Bachu V, Burns WR, Inoue Y, Takahashi Y, Aslami Z, Schulick RD, He J, Messersmith W, Besselink MG, Burkhart RA, Wilmink JW, Del Chiaro M. Survival after neoadjuvant and induction FOLFIRINOX versus gemcitabine-nab-paclitaxel in patients with resected localised pancreatic adenocarcinoma: an international multicentre study. Br J Cancer. 2025 Jul;133(1):76-84. PubMed PMID: 40328917
• Omiya K, Oba A, Sugiura K, Maekawa A, Mie T, Kobayashi K, Ono Y, Sasaki T, Ozaka M, Sasahira N, Ito H, Inoue Y, Takahashi Y. Resectable Pancreatic Cancer with CA19-9 > 500 U/mL: A Biological Indicator for Survival Benefit with Intensive Neoadjuvant Chemotherapy. Ann Surg Oncol. 2025 Aug;32(8):5411-5420. PubMed PMID: 40358779
• Takahashi A, Ono Y, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. Impact of hepatospleno volume ratio on postoperative chronic liver failure after major hepatectomy for perihilar cholangiocarcinoma. Ann Gastroenterol Surg. 2025 May;9(3):578-586. PubMed PMID: 40385333
• Omiya K, Oba A, Sugiura K, Maekawa A, Mie T, Kobayashi K, Ono Y, Ito H, Inoue Y, Takahashi Y. ASO Author Reflections: Optimizing Treatment for Resectable Pancreatic Cancer: CA19-9 > 500 U/mL as a Biologic Indicator for Neoadjuvant Therapy. Ann Surg Oncol. 2025 Aug;32(8):5434-5435. PubMed PMID: 40397341
• Kiritani S, Ono Y, Sasaki T, Oba A, Sato T, Ito H, Inoue Y, Ozaka M, Sasahira N, Saiura A, Takahashi Y. Efficacy of preoperative endoscopic nasobiliary drainage tube placement for liver cancer adjacent to the hepatic hilum. Langenbecks Arch Surg. 2025 Jun 12;410(1):188. PubMed PMID: 40500428
• Oba A, Yamane M, Takahashi Y. Invited Editorial: Clinical Relevance of High-Grade Pancreatic Intraepithelial Neoplasia at the Pancreatic Transection Margin in Patients with Pancreatic Ductal Adenocarcinoma. Ann Surg Oncol. 2025 Oct;32(10):7103-7105. PubMed PMID: 40536743
• Yamamoto T, Shimokawa T, Hayashi M, Mizuma M, Hirano K, Oba A, Asano T, Miyato H, Yoshida M, Matsumoto I, Kawabata Y, Sakamoto K, Motoi F, Ishii S, Homma Y, Maehira H, Matsunaga Y, Ikemoto T, Nakamura M, Mataki Y, Notake T, Akahoshi K, Takami H, Yamaki S, Hashimoto D, Kimura Y, Hirano S, Inoue Y, Fujii T, Unno M, Kodera Y, Kitayama J, Satoi S. Clinical role of intraperitoneal chemotherapy in patients with pancreatic ductal adenocarcinoma concomitant with occult peritoneal dissemination: A multicenter retrospective study. Ann Gastroenterol Surg. 2025 Jul;9(4):830-841. PubMed PMID: 40607298
• Kato T, Ono Y, Kitazawa T, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. Impact of Preoperative Diabetes on Insulin Management and Nutritional Status After Total or Completion Pancreatectomy. Ann Surg Oncol. 2025 Oct;32(10):7422-7432. PubMed PMID: 40643710
• Kato T, Ono Y, Kitazawa T, Kobayashi K, Oba A, Sato T, Ito H, Inoue Y, Saiura A, Takahashi Y. ASO Author Reflections: Diabetic and Nutritional Management After Total or Completion Pancreatectomy: Current Status and Future Perspectives. Ann Surg Oncol. 2025 Oct;32(10):7465-7466. PubMed PMID: 40684015
• Sawa Y, Ono Y, Takamatsu M, Shimane G, Baba H, Ito R, Sugiura K, Shibata Y, Nakano K, Mukai T, Kobayashi K, Oba A, Inoue Y, Ito H, Akiyoshi T, Takahashi Y. Surgical Resection of a Solitary Metachronous Retrocaval Lymph Node Metastasis above the Renal Vein from Rectal Cancer. Surg Case Rep. 2025;11(1). PubMed PMID: 40761477
• Shibata Y, Oba A, Shimane G, Miyata T, Tauchi J, Baba H, Maekawa A, Kobayashi K, Ono Y, Sasaki T, Ozaka M, Sasahira N, Ito H, Inoue Y, Takahashi Y. Prognostic role of peritoneal lavage cytology: Proposal for staging laparoscopy criteria in biliary tract cancer. Eur J Surg Oncol. 2025 Oct;51(10):110369. PubMed PMID: 40784193
• Shimane G, Ono Y, Inoue Y, Ito H, Oba A, Kobayashi K, Takahashi Y. Anatomical evaluation of the perinephric vein as a surgical landmark in minimally invasive distal pancreatectomy for pancreatic cancer. Surg Endosc. 2025 Oct;39(10):7014-7022. PubMed PMID: 40877623
• Kobayashi K, Oba A, Kiritani S, Ono Y, Osumi H, Sato T, Ito H, Shinozaki E, Yamaguchi T, Yamaguchi K, Akiyoshi T, Ishida N, Miyazaki N, Inoue Y, Takahashi Y. Assessment of Residual or Resected Disappearing Liver Metastases After Chemotherapy: The AROD Study. Ann Surg. 2025 Aug 29. [Epub ahead of print] PubMed PMID: 40880205
• Ashitomi Y, Motoi F, Oba A, Sugiura T, Hashimoto D, Inoue K, Okada K, Takami H, Nakamura T, Takahashi R, Akahoshi K, Tanaka K, Ishikawa H, Omiya K, Ohgi K, Yamaki S, Mizuma M, Uemura K, Sugawara S, Hirano S, Satoi S. Favorable Response Defined by CA19-9 Reduction After Neoadjuvant Treatment for Pancreatic Cancer. Ann Surg Oncol. 2025 Sep 1. [Epub ahead of print] PubMed PMID: 40890542
• Inoue Y, Kobayashi K, Kato T, Kiritani S, Oba A, Ono Y, Ito H, Takahashi Y. Current Status and Future Perspectives of Superior Mesenteric Artery Dissection in Robotic Pancreaticoduodenectomy: A Scoping Review of Technical Variations in the Robotic Era. J Clin Med. 2025 Aug 28;14(17). PubMed PMID: 40943843
• Sugiura K, Ono Y, Kobayashi K, Oba A, Ito H, Inoue Y, Takahashi Y. Impact of the stapler method on postoperative pancreatic fistula in robot-assisted pancreaticoduodenectomy: a retrospective study. Surg Endosc. 2025 Nov;39(11):7822-7830. PubMed PMID: 40954376
• Kobayashi K, Ono Y, Oba A, Osumi H, Shinozaki E, Ito H, Akiyoshi T, Yamaguchi K, Fukunaga Y, Inoue Y, Takahashi Y. Impact of sequential perioperative chemotherapy for high-risk colorectal liver metastases. Surg Today. 2025 Sep 27. [Epub ahead of print] PubMed PMID: 41015621
• Maekawa A, Oba A, Mie T, Sawa Y, Baba H, Kobayashi K, Ono Y, Sato T, Ito H, Sasaki T, Ozaka M, Sasahira N, Takamatsu M, Ban D, Inoue Y, Takahashi Y. Exploring the role of CA 19-9 dynamics in pancreatic cancer multidisciplinary treatment: Proposal of the PANC classification. Surgery. 2025 Dec;188:109783. PubMed PMID: 41075405
• Oba A, Kikuchi K, Takeuchi H, Horita H, Hirata Y, Matsuura R, Koichihara R. Neuroimaging features in a case of transient headache and neurological deficits with cerebrospinal fluid lymphocytosis. Pediatr Int. 2025 Jan-Dec;67(1):e70238. PubMed PMID: 41099206
• Ito R, Oba A, Kobayashi T, Sugita K, Takamatsu M, Fukuoka S, Shinozaki E, Tsuchiya S, Matsueda K, Kobayashi K, Ono Y, Ito H, Inoue Y, Saiura A, Takahashi Y. Managing dual primary liver metastases from breast and colorectal cancers. Clin J Gastroenterol. 2025 Oct 17. [Epub ahead of print] PubMed PMID: 41107652
• Sugiura K, Oba A, Miyashita M, Baba H, Ito R, Shimane G, Sawa Y, Shibata H, Kiritani S, Kobayashi K, Ono Y, Ito H, Inoue Y, Takahashi Y. Surgical Technique and Feasibility of Pancreaticoduodenectomy after Surgery for Perihilar Cholangiocarcinoma. Ann Surg Oncol. 2025 Oct 18. [Epub ahead of print] PubMed PMID: 41109878
• Ito R, Ono Y, Fujii T, Takahashi A, Kobayashi K, Oba A, Ito H, Inoue Y, Saiura A, Takahashi Y. Tubularized Bovine Pericardium Graft for Inferior Vena Cava Reconstruction in Abdominal Malignant Tumor. Ann Surg Oncol. 2025 Oct 19. [Epub ahead of print] PubMed PMID: 41110024
• Sugiura K, Oba A, Miyashita M, Baba H, Ito R, Shimane G, Sawa Y, Shibata H, Kiritani S, Kobayashi K, Ono Y, Ito H, Inoue Y, Takahashi Y. ASO Author Reflections: Technical Challenges and Solutions in Pancreaticoduodenectomy After Perihilar Cholangiocarcinoma Surgery. Ann Surg Oncol. 2025 Oct 27. [Epub ahead of print] PubMed PMID: 41144133
• Sawa Y, Inoue Y, Kiritani S, Kobayashi K, Oba A, Ono Y, Ito H, Takahashi Y. Proposal for grading of intraoperative bleeding and the assessment of hemostasis quality during robot-assisted pancreatoduodenectomy. Surg Endosc. 2025 Dec;39(12):8754-8761. PubMed PMID: 41201590

Practice Locations

University of Colorado Cancer Center - Anschutz Medical Campus
1665 Aurora Ct
Aurora, CO 80045
720-848-0300

Specialty Information

Specialties

• Complex General Surgical Oncology