{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T10:07:13Z","timestamp":1779790033076,"version":"3.53.1"},"reference-count":31,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:00:00Z","timestamp":1772928000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:00:00Z","timestamp":1772928000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP23K08127"],"award-info":[{"award-number":["JP23K08127"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Hepato Biliary Pancreat"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Left\u2010sided hepatectomy for perihilar cholangiocarcinoma includes conventional left hepatectomy (C\u2010LH; H1234\u2010B), extended left hepatectomy (E\u2010LH; H12345\u20328\u2032\u2010B\u2010MHV), and left trisectionectomy (LT; H123458\u2010B). The anatomical characteristics of the resected length of the right hepatic duct (RHD) in E\u2010LH remain unclear. This study aimed to characterize the length of the RHD across procedures.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients who underwent left\u2010sided hepatectomy for perihilar tumors between 2015 and 2023 were retrospectively reviewed. The shortest distance between the proximal bile duct stump and left hepatic duct orifice was measured on the resected specimens. The lengths and clinicopathological features of the procedures were compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, 205 patients were included: C\u2010LH (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200980), E\u2010LH (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200953), and LT (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200972). The length of the right anterior hepatic duct was longer in E\u2010LH than that in C\u2010LH (15.2 vs. 13.0\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.006). Similarly, the length of the right posterior hepatic duct increased stepwise from C\u2010LH to E\u2010LH and LT (13.3, 16.6, and 20.0\u2009mm, respectively).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>E\u2010LH is an intermediate procedure between C\u2010LH and LT with respect to the resected length of the RHD. The additional bile duct length achieved by E\u2010LH is minimal, and this procedure should be selected primarily to secure the parenchymal margin rather than ductal clearance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jhbp.70097","type":"journal-article","created":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T04:59:43Z","timestamp":1773032383000},"page":"361-370","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Differences in Right Hepatic Duct Length Among Left\u2010Sided Hepatectomies: Conventional Hepatectomy Versus Extended Hepatectomy Versus Trisectionectomy"],"prefix":"10.1002","volume":"33","author":[{"given":"Kota","family":"Sugiura","sequence":"first","affiliation":[{"name":"Division of Surgical Oncology, Department of Surgery Nagoya University Graduate School of Medicine  Nagoya 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