Thymoma in a cat.
D000818:Animals; D002371:Cat Diseases / Q000000981:diagnostic imaging*; D002415:Cats; D008297:Male; D011859:Radiography; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*; D013945:Thymoma / Q000000981:diagnostic imaging / Q000662:veterinary*