Congenital aortic elongation: a rare cause of superior mediastinal widening.
D001011:Aorta / Q000002:abnormalities*; D001027:Aortography; D006328:Cardiac Catheterization; D002675:Child, Preschool; D004452:Echocardiography; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D008482:Mediastinum / Q000000981:diagnostic imaging