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Table 1 Resectability classification of localized perihilar cholangiocarcinoma from surgical points of view

From: Neoadjuvant chemotherapy followed by curative-intent surgery for perihilar cholangiocarcinoma based on its anatomical resectability classification and lymph node status

ResectabilityBiliary factor Vascular factor
Resectable (R)Curative resection can be obtained by either side of right or left TSN or less hepatectomyandCombined VR with reconstruction of PV and/or HA is not required regardless of vascular invasion
Borderline
Resectable (BR)
Curative resection can be obtained by either side of right or left TSN or less hepatectomyandCombined VR with safe reconstruction of PV and/or HA can be performed
Locally advanced (LA)Curative resection cannot be obtained even by either side of right or left TSNand/orCombined VR with safe reconstruction of PV and/or HA cannot be performed
  1. TSN trisectionectomy, VR vascular resection, PV portal vein, HA hepatic artery