Benign Extrahepatic Bile Duct Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A neoplasm that arises from the extrahepatic bile ducts and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential.

**Synonyms:** - Benign Extrahepatic Bile Duct Tumor - Benign Neoplasm of Extrahepatic Bile Duct - Benign Neoplasm of the Extrahepatic Bile Duct - Benign Tumor of Extrahepatic Bile Duct - Benign Tumor of the Extrahepatic Bile Duct