title: What is your diagnosis? Mass in the cranial mediastinum.
authors: Fayetteville Veterinary Hospital, NY 13066.
authors: P D
authors: PD
authors: Gorman
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000000981:diagnostic imaging*; D002415:Cats; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*; D011859:Radiography; D013945:Thymoma / Q000000981:diagnostic imaging / Q000662:veterinary*