[Vascular ring in the upper mediastinum].
D001808:Blood Vessels / Q000002:abnormalities*; D006801:Humans; D007231:Infant, Newborn; D008482:Mediastinum / Q000002:abnormalities*; D011859:Radiography; D014135:Tracheal Stenosis / Q000000981:diagnostic imaging / Q000209:etiology*