Klatskin tumor

Definition of Klatskin tumor
National Cancer Institute

Klatskin tumor

(KLAT-skin TOO-mer)
Cancer that forms in the area where the left and right hepatic ducts join just outside the liver and form the common hepatic duct. Bile ducts carry bile from the liver and gallbladder to the small intestine. Klatskin tumor is a type of extrahepatic bile duct cancer. Also called perihilar bile duct cancer and perihilar cholangiocarcinoma.

Source: NCI Dictionary of Cancer Terms