Radiopaque mass in the thorax.
D000818:Animals; D002371:Cat Diseases / Q000000981:diagnostic imaging*; D002415:Cats; D005260:Female; D008228:Lymphoma, Non-Hodgkin / Q000000981:diagnostic imaging / Q000662:veterinary*; D011859:Radiography; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*