Surgery Gallbladder Cancer f9230040 Klatskin tumor resembles- A Adenoma of liver B Cholangio CA C GB CA D Hepatic CA High-Yield Explanation Ans. is 'b' i.e., Cholangiocarcinoma o Extrahepatic adenocercinoma of bileducts, when proximal, is referred to as hilar cholangiocarcinoma (Klatskin's tumor).