An extrahepatic biliary tract anomaly. Suggested technic for early identification at surgery.
D000328:Adult; D002758:Cholangiography; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000601:surgery*; D003135:Common Bile Duct / Q000002:abnormalities; D003549:Cystic Duct / Q000002:abnormalities; D005260:Female; D006500:Hepatic Duct, Common / Q000002:abnormalities*; D006801:Humans; D008722:Methods