title: Ganglioneuroma of Vater's papilla and extrahepatic cholestasis in a dog.
mesh_terms: D014670:Ampulla of Vater / Q000473:pathology*; D000818:Animals; D001651:Cholestasis, Extrahepatic / Q000150:complications / Q000473:pathology / Q000662:veterinary*; D003138:Common Bile Duct Neoplasms / Q000150:complications / Q000473:pathology / Q000662:veterinary*; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005729:Ganglioneuroma / Q000150:complications / Q000473:pathology / Q000662:veterinary*; D008297:Male