title: Partial tracheal obstruction due to anomalous origin of the left pulmonary artery.
mesh_terms: D000792:Angiography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011651:Pulmonary Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014135:Tracheal Stenosis / Q000000981:diagnostic imaging / Q000209:etiology*