Stable mediastinal fibrosis demonstrating the aortic "nipple" sign.
D000328:Adult; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging*; D011859:Radiography; D013909:Thorax / Q000098:blood supply*; D014648:Varicose Veins / Q000000981:diagnostic imaging*