title: A report of three bile duct carcinomas occurring in pigeons.
mesh_terms: D002759:Adenoma, Bile Duct / Q000473:pathology / Q000662:veterinary*; D000818:Animals; D001650:Bile Duct Neoplasms / Q000473:pathology / Q000662:veterinary*; D001652:Bile Ducts / Q000473:pathology; D001715:Bird Diseases / Q000473:pathology*; D010856:Columbidae; D007680:Kidney Neoplasms / Q000662:veterinary; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000473:pathology / Q000662:veterinary; D009362:Neoplasm Metastasis / Q000662:veterinary