Heterotopic pancreatic tissue in the common bile duct or ampulla of Vater.
D000328:Adult; D014670:Ampulla of Vater / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D001706:Biopsy; D002763:Cholecystectomy; D003135:Common Bile Duct / Q000002:abnormalities* / Q000473:pathology; D005260:Female; D006801:Humans; D010179:Pancreas / Q000002:abnormalities* / Q000601:surgery