Fig. 2From: A long survivor with local relapse of hilar cholangiocarcinoma after R1 surgery treated with chemoradiotherapy: a case report and literature reviewThe specimen of hilar cholangiocarcinoma extending to cystic duct. a Extrahepatic bile duct was resected. b Circled 1 represents right hepatic duct; circled 2 represents left hepatic duct; circled 3 represents cystic duct. Abnormal epithelia is widely seen in resected biliary tract including cystic ductBack to article page