{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T15:09:46Z","timestamp":1788448186208,"version":"build-2803163510"},"reference-count":44,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T00:00:00Z","timestamp":1723680000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T00:00:00Z","timestamp":1723680000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Gastrointest Canc"],"published-print":{"date-parts":[[2024,12]]},"DOI":"10.1007\/s12029-024-01098-4","type":"journal-article","created":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T15:02:11Z","timestamp":1723734131000},"page":"1530-1540","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Liver Oligometastasis in Biliary Tract Cancer and Impact on Survival Outcomes"],"prefix":"10.1007","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9719-0282","authenticated-orcid":false,"given":"Takeshi","family":"Okamoto","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsuyoshi","family":"Takeda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Sasaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yosuke","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takafumi","family":"Mie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatsuki","family":"Hirai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takahiro","family":"Ishitsuka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manabu","family":"Yamada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroki","family":"Nakagawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takaaki","family":"Furukawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akiyoshi","family":"Kasuga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masato","family":"Ozaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoki","family":"Sasahira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,8,15]]},"reference":[{"key":"1098_CR1","doi-asserted-by":"publisher","first-page":"512","DOI":"10.1038\/nrgastro.2011.131","volume":"8","author":"B Blechacz","year":"2011","unstructured":"Blechacz B, Komuta M, Roskams T, et al. Clinical diagnosis and staging of cholangiocarcinoma. Nat Rev Gastroenterol Hepatol. 2011;8:512\u201322. https:\/\/doi.org\/10.1038\/nrgastro.2011.131.","journal-title":"Nat Rev Gastroenterol Hepatol"},{"key":"1098_CR2","doi-asserted-by":"publisher","first-page":"428","DOI":"10.1016\/S0140-6736(21)00153-7","volume":"397","author":"JW Valle","year":"2021","unstructured":"Valle JW, Kelley RK, Nervi B, et al. Biliary tract cancer. Lancet. 2021;397:428\u201344. https:\/\/doi.org\/10.1016\/S0140-6736(21)00153-7.","journal-title":"Lancet"},{"key":"1098_CR3","doi-asserted-by":"publisher","first-page":"8","DOI":"10.1200\/JCO.1995.13.1.8","volume":"13","author":"S Hellman","year":"1995","unstructured":"Hellman S, Weichselbaum RR. Oligometastases. J Clin Oncol. 1995;13:8\u201310. https:\/\/doi.org\/10.1200\/JCO.1995.13.1.8.","journal-title":"J Clin Oncol"},{"key":"1098_CR4","doi-asserted-by":"publisher","first-page":"157","DOI":"10.1016\/j.radonc.2020.04.003","volume":"148","author":"Y Lievens","year":"2020","unstructured":"Lievens Y, Guckenberger M, Gomez D, et al. Defining oligometastatic disease from a radiation oncology perspective: An ESTRO-ASTRO consensus document. Radiother Oncol. 2020;148:157\u201366. https:\/\/doi.org\/10.1016\/j.radonc.2020.04.003.","journal-title":"Radiother Oncol"},{"key":"1098_CR5","doi-asserted-by":"publisher","first-page":"254","DOI":"10.1016\/j.ejca.2022.02.018","volume":"166","author":"TE Kroese","year":"2022","unstructured":"Kroese TE, van Laarhoven HWM, Nilsson M, et al. Definition of oligometastatic esophagogastric cancer and impact of local oligometastasis-directed treatment: A systematic review and meta-analysis. Eur J Cancer. 2022;166:254\u201369. https:\/\/doi.org\/10.1016\/j.ejca.2022.02.018.","journal-title":"Eur J Cancer"},{"key":"1098_CR6","doi-asserted-by":"publisher","first-page":"393","DOI":"10.1016\/j.prro.2023.04.004","volume":"13","author":"P Iyengar","year":"2023","unstructured":"Iyengar P, All S, Berry MF, et al. Treatment of Oligometastatic Non-Small Cell Lung Cancer: An ASTRO\/ESTRO Clinical Practice Guideline. Pract Radiat Oncol. 2023;13:393\u2013412. https:\/\/doi.org\/10.1016\/j.prro.2023.04.004.","journal-title":"Pract Radiat Oncol"},{"key":"1098_CR7","doi-asserted-by":"publisher","first-page":"112","DOI":"10.21037\/jgo.2018.08.17","volume":"10","author":"JI Kang","year":"2019","unstructured":"Kang JI, Sufficool DC, Hsueh CT, et al. A phase I trial of Proton stereotactic body radiation therapy for liver metastases. J Gastrointest Oncol. 2019;10:112\u20137. https:\/\/doi.org\/10.21037\/jgo.2018.08.17.","journal-title":"J Gastrointest Oncol"},{"key":"1098_CR8","doi-asserted-by":"publisher","first-page":"967","DOI":"10.1016\/j.pan.2017.08.072","volume":"17","author":"YQ Hua","year":"2017","unstructured":"Hua YQ, Wang P, Zhu XY, et al. Radiofrequency ablation for hepatic oligometastatic pancreatic cancer: An analysis of safety and efficacy. Pancreatology. 2017;17:967\u201373. https:\/\/doi.org\/10.1016\/j.pan.2017.08.072.","journal-title":"Pancreatology"},{"key":"1098_CR9","doi-asserted-by":"publisher","first-page":"2051","DOI":"10.1016\/S0140-6736(18)32487-5","volume":"393","author":"DA Palma","year":"2019","unstructured":"Palma DA, Olson R, Harrow S, et al. Stereotactic ablative radiotherapy versus standard of care palliative treatment in patients with oligometastatic cancers (SABR-COMET): a randomised, phase 2, open-label trial. Lancet. 2019;393:2051\u20138. https:\/\/doi.org\/10.1016\/S0140-6736(18)32487-5.","journal-title":"Lancet"},{"key":"1098_CR10","doi-asserted-by":"publisher","first-page":"107","DOI":"10.1093\/jjco\/hyp167","volume":"40","author":"Y Niibe","year":"2010","unstructured":"Niibe Y, Hayakawa K. Oligometastases and oligo-recurrence: The new era of cancer therapy. Jpn J Clin Oncol. 2010;40:107\u201311. https:\/\/doi.org\/10.1093\/jjco\/hyp167.","journal-title":"Jpn J Clin Oncol"},{"key":"1098_CR11","doi-asserted-by":"publisher","first-page":"428","DOI":"10.3978\/j.issn.2078-6891.2014.081","volume":"5","author":"RD Peixoto","year":"2014","unstructured":"Peixoto RD, Renouf D, Lim H. A population based analysis of prognostic factors in advanced biliary tract cancer. J Gastrointest Oncol. 2014;5:428\u201332. https:\/\/doi.org\/10.3978\/j.issn.2078-6891.2014.081.","journal-title":"J Gastrointest Oncol"},{"key":"1098_CR12","doi-asserted-by":"publisher","first-page":"7229","DOI":"10.3390\/curroncol30080524","volume":"30","author":"T Okamoto","year":"2023","unstructured":"Okamoto T, Takeda T, Sasaki T, et al. Safety and Effectiveness of Chemotherapy in Elderly Biliary Tract Cancer Patients. Curr Oncol. 2023;30:7229\u201340. https:\/\/doi.org\/10.3390\/curroncol30080524.","journal-title":"Curr Oncol"},{"key":"1098_CR13","doi-asserted-by":"publisher","first-page":"2289","DOI":"10.1007\/s00432-020-03285-9","volume":"146","author":"C Franzese","year":"2020","unstructured":"Franzese C, Bonu ML, Comito T, et al. Stereotactic body radiotherapy in the management of oligometastatic and recurrent biliary tract cancer: single-institution analysis of outcome and toxicity. J Cancer Res Clin Oncol. 2020;146:2289\u201397. https:\/\/doi.org\/10.1007\/s00432-020-03285-9.","journal-title":"J Cancer Res Clin Oncol"},{"key":"1098_CR14","doi-asserted-by":"publisher","first-page":"e0238392","DOI":"10.1371\/journal.pone.0238392","volume":"15","author":"T Kojima","year":"2020","unstructured":"Kojima T, Umeda Y, Fuji T, et al. Efficacy of surgical management for recurrent intrahepatic cholangiocarcinoma: A multi-institutional study by the Okayama Study Group of HBP surgery. PLoS ONE. 2020;15:e0238392. https:\/\/doi.org\/10.1371\/journal.pone.0238392.","journal-title":"PLoS ONE"},{"key":"1098_CR15","doi-asserted-by":"publisher","first-page":"2239","DOI":"10.1007\/s11605-019-04184-2","volume":"23","author":"S Buettner","year":"2019","unstructured":"Buettner S, Ten Cate DWG, Bagante F, et al. Survival after Resection of Multiple Tumor Foci of Intrahepatic Cholangiocarcinoma. J Gastrointest Surg. 2019;23:2239\u201346. https:\/\/doi.org\/10.1007\/s11605-019-04184-2.","journal-title":"J Gastrointest Surg"},{"key":"1098_CR16","doi-asserted-by":"publisher","first-page":"245","DOI":"10.1159\/000507370","volume":"9","author":"M Kudo","year":"2020","unstructured":"Kudo M, Han KH, Ye SL, et al. A Changing Paradigm for the Treatment of Intermediate-Stage Hepatocellular Carcinoma: Asia-Pacific Primary Liver Cancer Expert Consensus Statements. Liver Cancer. 2020;9:245\u201360. https:\/\/doi.org\/10.1159\/000507370.","journal-title":"Liver Cancer"},{"key":"1098_CR17","doi-asserted-by":"publisher","first-page":"2489","DOI":"10.3390\/cancers15092489","volume":"15","author":"S Gaito","year":"2023","unstructured":"Gaito S, Marvaso G, Ortiz R, et al. Proton Beam Therapy in the Oligometastatic\/Oligorecurrent Setting: Is There a Role? A Literature Review. Cancers (Basel). 2023;15:2489. https:\/\/doi.org\/10.3390\/cancers15092489.","journal-title":"Cancers (Basel)"},{"key":"1098_CR18","doi-asserted-by":"publisher","first-page":"744","DOI":"10.1016\/j.jamcollsurg.2009.12.040","volume":"210","author":"MG House","year":"2010","unstructured":"House MG, Ito H, G\u00f6nen M, et al. Survival after hepatic resection for metastatic colorectal cancer: trends in outcomes for 1,600 patients during two decades at a single institution. J Am Coll Surg. 2010;210:744\u201355. https:\/\/doi.org\/10.1016\/j.jamcollsurg.2009.12.040.","journal-title":"J Am Coll Surg"},{"key":"1098_CR19","doi-asserted-by":"publisher","first-page":"211","DOI":"10.1097\/MPA.0000000000000446","volume":"45","author":"H Imaoka","year":"2016","unstructured":"Imaoka H, Mizuno N, Hara K, et al. Evaluation of modified glasgow prognostic score for pancreatic cancer: A retrospective cohort study. Pancreas. 2016;45:211\u20137. https:\/\/doi.org\/10.1097\/MPA.0000000000000446.","journal-title":"Pancreas"},{"key":"1098_CR20","doi-asserted-by":"publisher","first-page":"36857","DOI":"10.18632\/oncotarget.16143","volume":"8","author":"H Tang","year":"2017","unstructured":"Tang H, Lu W, Li B, et al. Prognostic significance of neutrophil-to-lymphocyte ratio in biliary tract cancers: a systematic review and meta-analysis. Oncotarget. 2017;8:36857\u201368. https:\/\/doi.org\/10.18632\/oncotarget.16143.","journal-title":"Oncotarget"},{"key":"1098_CR21","doi-asserted-by":"publisher","first-page":"229","DOI":"10.1002\/jhbp.1184","volume":"30","author":"T Takeda","year":"2023","unstructured":"Takeda T, Sasaki T, Okamoto T, et al. Outcomes of pancreatic cancer with liver oligometastasis. J Hepatobiliary Pancreat Sci. 2023;30:229\u201339. https:\/\/doi.org\/10.1002\/jhbp.1184.","journal-title":"J Hepatobiliary Pancreat Sci"},{"key":"1098_CR22","doi-asserted-by":"publisher","first-page":"228","DOI":"10.1016\/j.ejca.2008.10.026","volume":"45","author":"EA Eisenhauer","year":"2009","unstructured":"Eisenhauer EA, Therasse P, Bogaerts J, et al. New response evaluation criteria in solid tumours: revised RECIST guideline (version 1.1). Eur J Cancer. 2009;45:228\u201347. https:\/\/doi.org\/10.1016\/j.ejca.2008.10.026.","journal-title":"Eur J Cancer"},{"key":"1098_CR23","unstructured":"National Cancer Institute. Common Terminology Criteria for Adverse Events (CTCAE) v.5.0. Available at: http:\/\/ctep.cancer.gov\/protocolDevelopment\/electronic_applications\/ctc.htm. Accessed November 23, 2023"},{"key":"1098_CR24","doi-asserted-by":"publisher","first-page":"1908","DOI":"10.1245\/s10434-020-08207-0","volume":"27","author":"K Morino","year":"2020","unstructured":"Morino K, Seo S, Yoh T, et al. Proposed Definition for Oligometastatic Recurrence in Biliary Tract Cancer Based on Results of Locoregional Treatment: A Propensity-Score-Stratified Analysis. Ann Surg Oncol. 2020;27:1908\u201317. https:\/\/doi.org\/10.1245\/s10434-020-08207-0.","journal-title":"Ann Surg Oncol"},{"key":"1098_CR25","doi-asserted-by":"publisher","first-page":"644","DOI":"10.1097\/01.sla.0000141198.92114.f6","volume":"240","author":"R Adam","year":"2004","unstructured":"Adam R, Delvart V, Pascal G, et al. Rescue surgery for unresectable colorectal liver metastases downstaged by chemotherapy: a model to predict long-term survival. Ann Surg. 2004;240:644\u201358. https:\/\/doi.org\/10.1097\/01.sla.0000141198.92114.f6.","journal-title":"Ann Surg"},{"key":"1098_CR26","doi-asserted-by":"publisher","first-page":"329","DOI":"10.1007\/s10120-015-0575-z","volume":"19","author":"K Yoshida","year":"2016","unstructured":"Yoshida K, Yamaguchi K, Okumura N, et al. Is conversion therapy possible in stage IV gastric cancer: the proposal of new biological categories of classification. Gastric Cancer. 2016;19:329\u201338. https:\/\/doi.org\/10.1007\/s10120-015-0575-z.","journal-title":"Gastric Cancer"},{"key":"1098_CR27","doi-asserted-by":"publisher","first-page":"261","DOI":"10.1002\/jhbp.547","volume":"25","author":"J Furuse","year":"2018","unstructured":"Furuse J, Shibahara J, Sugiyama M. Development of chemotherapy and significance of conversion surgery after chemotherapy in unresectable pancreatic cancer. J Hepatobiliary Pancreat Sci. 2018;25:261\u20138. https:\/\/doi.org\/10.1002\/jhbp.547.","journal-title":"J Hepatobiliary Pancreat Sci"},{"key":"1098_CR28","doi-asserted-by":"publisher","first-page":"2549","DOI":"10.1245\/s10434-019-07353-4","volume":"26","author":"LS Hu","year":"2019","unstructured":"Hu LS, Zhang XF, Weiss M, et al. Recurrence Patterns and Timing Courses Following Curative-Intent Resection for Intrahepatic Cholangiocarcinoma. Ann Surg Oncol. 2019;26:2549\u201357. https:\/\/doi.org\/10.1245\/s10434-019-07353-4.","journal-title":"Ann Surg Oncol"},{"key":"1098_CR29","doi-asserted-by":"publisher","first-page":"893","DOI":"10.1007\/s00535-006-1877-z","volume":"41","author":"S Miwa","year":"2006","unstructured":"Miwa S, Miyagawa S, Kobayashi A, et al. Predictive factors for intrahepatic cholangiocarcinoma recurrence in the liver following surgery. J Gastroenterol. 2006;41:893\u2013900. https:\/\/doi.org\/10.1007\/s00535-006-1877-z.","journal-title":"J Gastroenterol"},{"key":"1098_CR30","doi-asserted-by":"publisher","first-page":"318","DOI":"10.1245\/s10434-012-2312-8","volume":"20","author":"A Kato","year":"2013","unstructured":"Kato A, Shimizu H, Ohtsuka M, et al. Surgical resection after downsizing chemotherapy for initially unresectable locally advanced biliary tract cancer: a retrospective single-center study. Ann Surg Oncol. 2013;20:318\u201324. https:\/\/doi.org\/10.1245\/s10434-012-2312-8.","journal-title":"Ann Surg Oncol"},{"issue":"Suppl 3","key":"1098_CR31","doi-asserted-by":"publisher","first-page":"S1093","DOI":"10.1245\/s10434-015-4768-9","volume":"22","author":"A Kato","year":"2015","unstructured":"Kato A, Shimizu H, Ohtsuka M, et al. Downsizing Chemotherapy for Initially Unresectable Locally Advanced Biliary Tract Cancer Patients Treated with Gemcitabine Plus Cisplatin Combination Therapy Followed by Radical Surgery. Ann Surg Oncol. 2015;22(Suppl 3):S1093\u20139. https:\/\/doi.org\/10.1245\/s10434-015-4768-9.","journal-title":"Ann Surg Oncol"},{"key":"1098_CR32","doi-asserted-by":"publisher","first-page":"839","DOI":"10.1002\/bjs.10641","volume":"105","author":"B Le Roy","year":"2018","unstructured":"Le Roy B, Gelli M, Pittau G, et al. Neoadjuvant chemotherapy for initially unresectable intrahepatic cholangiocarcinoma. Br J Surg. 2018;105:839\u201347. https:\/\/doi.org\/10.1002\/bjs.10641.","journal-title":"Br J Surg"},{"key":"1098_CR33","doi-asserted-by":"publisher","first-page":"405","DOI":"10.1186\/s12885-020-06895-1","volume":"20","author":"N Kuriyama","year":"2020","unstructured":"Kuriyama N, Usui M, Gyoten K, et al. Neoadjuvant chemotherapy followed by curative-intent surgery for perihilar cholangiocarcinoma based on its anatomical resectability classification and lymph node status. BMC Cancer. 2020;20:405. https:\/\/doi.org\/10.1186\/s12885-020-06895-1.","journal-title":"BMC Cancer"},{"key":"1098_CR34","doi-asserted-by":"publisher","first-page":"2910","DOI":"10.1007\/s00268-018-4558-1","volume":"42","author":"T Sumiyoshi","year":"2018","unstructured":"Sumiyoshi T, Shima Y, Okabayashi T, et al. Chemoradiotherapy for Initially Unresectable Locally Advanced Cholangiocarcinoma. World J Surg. 2018;42:2910\u20138. https:\/\/doi.org\/10.1007\/s00268-018-4558-1.","journal-title":"World J Surg"},{"key":"1098_CR35","doi-asserted-by":"publisher","first-page":"1409","DOI":"10.1007\/s00595-020-02031-5","volume":"50","author":"T Noji","year":"2020","unstructured":"Noji T, Nagayama M, Imai K, et al. Conversion surgery for initially unresectable biliary malignancies: a multicenter retrospective cohort study. Surg Today. 2020;50:1409\u201317. https:\/\/doi.org\/10.1007\/s00595-020-02031-5.","journal-title":"Surg Today"},{"key":"1098_CR36","doi-asserted-by":"publisher","first-page":"1009","DOI":"10.1002\/ags3.12713","volume":"7","author":"I Nakamura","year":"2023","unstructured":"Nakamura I, Hatano E, Baba H, et al. Impact of conversion surgery after chemotherapy in patients with initially unresectable and recurrent biliary tract cancer. Ann Gastroenterol Surg. 2023;7:1009\u201320. https:\/\/doi.org\/10.1002\/ags3.12713.","journal-title":"Ann Gastroenterol Surg"},{"key":"1098_CR37","doi-asserted-by":"publisher","first-page":"906","DOI":"10.1016\/j.jamcollsurg.2016.12.058","volume":"224","author":"JM Creasy","year":"2017","unstructured":"Creasy JM, Goldman DA, Dudeja V, et al. Systemic chemotherapy combined with resection for locally advanced gallbladder carcinoma: surgical and survival outcomes. J Am Coll Surg. 2017;224:906\u201316. https:\/\/doi.org\/10.1016\/j.jamcollsurg.2016.12.058.","journal-title":"J Am Coll Surg"},{"key":"1098_CR38","doi-asserted-by":"publisher","first-page":"349","DOI":"10.14701\/ahbps.2021.25.3.349","volume":"25","author":"MY Oh","year":"2021","unstructured":"Oh MY, Kim H, Choi YJ, et al. Conversion surgery for initially unresectable extrahepatic biliary tract cancer. Ann Hepatobiliary Pancreat Surg. 2021;25:349\u201357. https:\/\/doi.org\/10.14701\/ahbps.2021.25.3.349.","journal-title":"Ann Hepatobiliary Pancreat Surg"},{"key":"1098_CR39","doi-asserted-by":"publisher","first-page":"102","DOI":"10.1002\/jhbp.1219","volume":"30","author":"T Ioka","year":"2023","unstructured":"Ioka T, Kanai M, Kobayashi S, et al. Randomized phase III study of gemcitabine, cisplatin plus S-1 versus gemcitabine, cisplatin for advanced biliary tract cancer (KHBO1401- MITSUBA). J Hepatobiliary Pancreat Sci. 2023;30:102\u201310. https:\/\/doi.org\/10.1002\/jhbp.1219.","journal-title":"J Hepatobiliary Pancreat Sci"},{"key":"1098_CR40","doi-asserted-by":"publisher","first-page":"1413","DOI":"10.21037\/jgo-21-868","volume":"13","author":"AJ Sinnamon","year":"2022","unstructured":"Sinnamon AJ, Wood AC, Satyadi MA, et al. Anatomic patterns of recurrence in biliary tract cancers: does primary tumor site matter? J Gastrointest Oncol. 2022;13:1413\u201322. https:\/\/doi.org\/10.21037\/jgo-21-868.","journal-title":"J Gastrointest Oncol"},{"key":"1098_CR41","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1159\/000339695","volume":"83","author":"SJ Jung","year":"2012","unstructured":"Jung SJ, Woo SM, Park HK, et al. Patterns of initial disease recurrence after resection of biliary tract cancer. Oncology. 2012;83:83\u201390. https:\/\/doi.org\/10.1159\/000339695.","journal-title":"Oncology"},{"key":"1098_CR42","doi-asserted-by":"publisher","first-page":"203","DOI":"10.1016\/j.amjsurg.2008.12.035","volume":"201","author":"A Saiura","year":"2011","unstructured":"Saiura A, Yamamoto J, Kokudo N, et al. Intrahepatic cholangiocarcinoma: analysis of 44 consecutive resected cases including 5 cases with repeat resections. Am J Surg. 2011;201:203\u20138. https:\/\/doi.org\/10.1016\/j.amjsurg.2008.12.035.","journal-title":"Am J Surg"},{"key":"1098_CR43","doi-asserted-by":"publisher","first-page":"121","DOI":"10.1097\/SLA.0000000000000827","volume":"262","author":"Y Takahashi","year":"2015","unstructured":"Takahashi Y, Ebata T, Yokoyama Y, et al. Surgery for Recurrent Biliary Tract Cancer: A Single-center Experience With 74 Consecutive Resections. Ann Surg. 2015;262:121\u20139. https:\/\/doi.org\/10.1097\/SLA.0000000000000827.","journal-title":"Ann Surg"},{"key":"1098_CR44","doi-asserted-by":"publisher","first-page":"10206","DOI":"10.1038\/s41598-022-13605-3","volume":"12","author":"MJ Kang","year":"2022","unstructured":"Kang MJ, Lim J, Han SS, et al. Distinct prognosis of biliary tract cancer according to tumor location, stage, and treatment: a population-based study. Sci Rep. 2022;12:10206. https:\/\/doi.org\/10.1038\/s41598-022-13605-3.","journal-title":"Sci Rep"}],"container-title":["Journal of Gastrointestinal Cancer"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12029-024-01098-4.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s12029-024-01098-4\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12029-024-01098-4.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,10,9]],"date-time":"2024-10-09T15:21:21Z","timestamp":1728487281000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s12029-024-01098-4"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,8,15]]},"references-count":44,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2024,12]]}},"alternative-id":["1098"],"URL":"https:\/\/doi.org\/10.1007\/s12029-024-01098-4","relation":{},"ISSN":["1941-6628","1941-6636"],"issn-type":[{"value":"1941-6628","type":"print"},{"value":"1941-6636","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,8,15]]},"assertion":[{"value":"6 August 2024","order":1,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"15 August 2024","order":2,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was conducted in accordance with a master protocol (2023-GB-077) for gastrointestinal, hepatic, and pancreatobiliary diseases approved by the institutional review board at our institution.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Approval"}},{"value":"Patient consent was waived due to its retrospective nature, but patients were given the opportunity to opt out of the master protocol without any consequences on their care.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate"}},{"value":"Yosuke Inoue received lecture frees from Servier Laboratories. All other authors declare that they have no conflict of interest.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing Interests"}}]}}