Preoperative assessment strategies of hilar cholangiocarcinoma

At present,in the opinions of the domestic and foreign scholars,the only hope of long-term survival even cure of hilar cholangiocarcinoma was obtained by radical resection(ie R0 resection).The application of preoperative assessment with appropriate and comprehensive strategies can judge the respectability and Intraoperative safety accurately to the tumor,thereby it can improve the radical resection rate and safety of patients with hilar cholangiocarcinoma.In this paper,preoperative assessment strategies are reviewed. Key words: Hilar cholangiocarcinoma;  Resectability;  Liver functiontests;  Future remnant liver volume;  Preoperative period;  Review