Major hepatectomy with concomitant vascular resection (portal vein and/or hepatic artery) for perihilar cholangiocarcinoma.

B Background: b Back ground: Concomitant major vascular resection was required to achieve curative (R0) resection in perihilar cholangiocarcinoma, however, it is also difficult to go together R0 resection and surgical safety. There were 78 of portal vein resection, 4 of hepatic artery resection, and 22 of both portal vein and hepatic artery. [Extracted from the article]