Malignant Extrahepatic Bile Duct Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A primary or metastatic malignant neoplasm that affects the extrahepatic bile ducts. Representative examples include carcinoma and sarcoma.

**Synonyms:** - Malignant Extrahepatic Bile Duct Tumor - Malignant Neoplasm of Extrahepatic Bile Duct - Malignant Neoplasm of the Extrahepatic Bile Duct - Malignant Tumor of Extrahepatic Bile Duct - Malignant Tumor of the Extrahepatic Bile Duct - Malignant neoplasm of extrahepatic bile duct