Klatskin tumor is
Merkel cell carcinoma of skin
Primitive neuroectodermal tumor of chest wall
Common hepatic duct tumor
Adenocarcinoma of anal cancer
Hilar cholangiocarcinoma is also known as Klatskin tumor Bismuth - corlette classification of Hilar Cholangiocarcinoma Type I- Tumor confined to hepatic duct, not involving the main biliary confluence Type II- Tumor involving the main biliary confluence but not extending to the right or left ducts Type IIIa- Tumor extending upto the right secondary biliary confluence Type IIIb- Tumor extending upto the left secondary biliary confluence Type IV - Tumor extending bilaterally to the secondary biliary confluence Ref : Sabiston 20th edition Pgno :1514-1518
G.I.T