Saccular aneurysm of the descending thoracic aorta. Presenting as a right chest mass.
D000368:Aged; D001013:Aorta, Thoracic; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology / Q000601:surgery; D001161:Arteriosclerosis / Q000150:complications; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011859:Radiography; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging*