Most common site of cholangiocarcinoma?: (A) Distal biliary duct, (B) Hilum, (C) Intrahepatic duct, (D) Multifocal
Answer is B. Most common site for cholangiocarcinoma is perihilar region(65%).Distal pa of duct constitutes 25% &Intrahepatic pa constitutes around 10%. Reference:SRB's manual of surgery,5th edition,page no:661.