Extrahepatic Bile Duct Sarcoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant soft tissue neoplasm that arises from the extrahepatic bile ducts. Representative examples include Kaposi sarcoma, leiomyosarcoma, and rhabdomyosarcoma.

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