disease has location extrahepatic bile duct carcinoma extrahepatic bile duct leiomyosarcoma https://www.malacards.org/card/extrahepatic_bile_duct_leiomyosarcoma leiomyosarcoma of bile duct DOID:5293 extrahepatic bile duct leiomyosarcoma MONDO:0003377 NCIT:C5848 bile duct leiomyosarcoma UMLS:C1333508 An aggressive malignant smooth muscle neoplasm, arising from an extrahepatic bile duct. It is characterized by a proliferation of neoplastic spindle cells. leiomyosarcoma of the bile duct leiomyosarcoma of extrahepatic bile duct GARD:0023489 leiomyosarcoma of the extrahepatic bile duct MEDGEN:232481 liver leiomyosarcoma leiomyosarcoma extrahepatic bile duct sarcoma extrahepatic bile duct