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Successful right hemihepatectomy for a patient with right-sided round ligament. J Gastrointest Surg 2016; 20: 470\u20132.","DOI":"10.1007\/s11605-015-2992-z"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2) Maetani Y, Itoh K, Kojima N, et al. Portal vein anomaly associated with deviation of the ligamentum teres to the right and malposition of the gallbladder. Radiology 1998; 207: 723\u20138.","DOI":"10.1148\/radiology.207.3.9609896"},{"key":"3","unstructured":"3) MB. A American Joint Committee on Cancer, American Cancer Society. AJCC cancer staging manual. Eighth Edition. IL American Joint Committee on Cancer, Chicago, Springer, 2017."},{"key":"4","doi-asserted-by":"crossref","unstructured":"4) Nagai M, Kubota K, Kawasaki S, et al. Are left-sided gallbladders really located on the left side? Ann Surg 1997; 225: 274\u201380.","DOI":"10.1097\/00000658-199703000-00006"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5) Shindoh J, Akahane M, Satou S, et al. Vascular architecture in anomalous right-sided ligamentum teres: three-dimensional analyses in 35 patients. HPB (Oxford) 2012; 14: 32\u201341.","DOI":"10.1111\/j.1477-2574.2011.00398.x"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6) Nishitai R, Shindoh J, Yamaoka T, et al. Biliary architecture of livers exhibiting right-sided ligamentum teres: an indication for preoperative cholangiography prior to major hepatectomy. HPB (Oxford) 2016; 18: 929\u201335.","DOI":"10.1016\/j.hpb.2016.08.002"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7) Watanabe N, Ebata T, Yokoyama Y, et al. Anatomic features of independent right posterior portal vein variants: Implications for left hepatic trisectionectomy. Surgery 2017; 161: 347\u201354.","DOI":"10.1016\/j.surg.2016.08.024"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8) Ishida T, Nara S, Akahoshi K, et al. Left hepatic trisectionectomy for perihilar cholangiocarcinoma with a right-sided round ligament: A case report. World J Gastrointest Surg 2020; 12: 68\u201376.","DOI":"10.4240\/wjgs.v12.i2.68"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9) Kimura N, Young AL, Toyoki Y, et al. Radical operation for hilar cholangiocarcinoma in comparable Eastern and Western centers: Outcome analysis and prognostic factors. Surgery 2017; 162: 500\u201314.","DOI":"10.1016\/j.surg.2017.03.017"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10) Otsubo T, Kobayashi S, Sano K, et al. Safety-related outcomes of the Japanese Society of Hepato-Biliary-Pancreatic Surgery board certification system for expert surgeons. J Hepatobiliary Pancreat Sci 2017; 24: 252\u201361.","DOI":"10.1002\/jhbp.444"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11) Nagino M, Ebata T, Yokoyama Y, et al. Evolution of surgical treatment for perihilar cholangiocarcinoma: a single-center 34-year review of 574 consecutive resections. Ann Surg 2013; 258: 129\u201340.","DOI":"10.1097\/SLA.0b013e3182708b57"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12) Hosokawa I, Shimizu H, Yoshidome H, et al. Surgical strategy for hilar cholangiocarcinoma of the left-side predominance: current role of left trisectionectomy. Ann Surg 2014; 259: 1178\u201385.","DOI":"10.1097\/SLA.0000000000000584"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Almodhaiberi H, Hwang S, Cho YJ, et al. Customized left-sided hepatectomy and bile duct resection for perihilar cholangiocarcinoma in a patient with left-sided gallbladder and multiple combined anomalies. Korean J Hepatobiliary Pancreat Surg 2015; 19: 30\u20134.","DOI":"10.14701\/kjhbps.2015.19.1.30"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Hai S, Hatano E, Hirano T, et al. Hepatectomy for hilar cholangiocarcinoma with right-sided ligamentum teres using a hepatectomy simulation system. Case Rep Gastroenterol 2017; 11: 576\u201383.","DOI":"10.1159\/000480375"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15) Goto T, Terajima H, Yamamoto T, et al. Hepatectomy for gallbladder-cancer with unclassified anomaly of right-sided ligamentum teres: a case report and review of the literature. World J Hepatol 2018; 10: 523\u20139.","DOI":"10.4254\/wjh.v10.i7.523"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16) Terasaki F, Yamamoto Y, Ohgi K, et al. Laparoscopic left lateral sectionectomy for a patient with right-sided ligamentum teres. Surg Case Rep 2019; 5: 43.","DOI":"10.1186\/s40792-019-0601-1"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17) Hallet J, Gayet B, Tsung A, et al. Systematic review of the use of pre-operative simulation and navigation for hepatectomy: current status and future perspectives. 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