Extrahepatic Bile Duct Adenoma

**Semantic type:** Neoplastic Process

**Definition:** An adenoma that arises from the extrahepatic bile ducts. It is classified as papillary, tubular, or tubulopapillary.

**Synonyms:** - Adenoma of Extrahepatic Bile Duct - Adenoma of the Extrahepatic Bile Duct