UMLS (NCI) C1335979Oat Cell Carcinoma of the Extrahepatic Bile Duct
Oat Cell Extrahepatic Bile Duct Carcinoma
Small Cell Adenocarcinoma of Extrahepatic Bile Duct
Small Cell Adenocarcinoma of the Extrahepatic Bile Duct
Small Cell Extrahepatic Bile Duct Carcinoma