Benign neoplasms of the extrahepatic biliary ducts.
D000236:Adenoma / Q000601:surgery*; D000328:Adult; D000368:Aged; D001650:Bile Duct Neoplasms / Q000601:surgery*; D002779:Cholestasis / Q000209:etiology; D003537:Cystadenoma / Q000601:surgery*; D003949:Diagnostic Techniques, Surgical; D004715:Endometriosis / Q000601:surgery*; D005260:Female; D006500:Hepatic Duct, Common; D006801:Humans; D008875:Middle Aged