label: Bile Duct Neoplasm
label_lc: bile duct neoplasm
description: "A benign or malignant neoplasm that affects the intrahepatic or extrahepatic bile ducts.  Representative examples of benign neoplasms include bile duct adenoma and extrahepatic bile duct lipoma.  Representative examples of malignant neoplasms include intrahepatic and extrahepatic cholangiocarcinoma."