Pathology General 2cadc426 Which of the following is called as Klatskin's tumor A Fibrolamellar hepatocelluar carcinoma B Hilar cholangiocarcinoma C Gall bladder adenocarcinoma D Intrahepatic cholangiocarcinoma High-Yield Explanation Perihilar cholangiocarcinoma is also called Klatskin tumors. They occur at the bifurcation of right and left hepatic ducts.