title: Vascular ring: unusual cause of unilateral obstructive pulmonary hyperinflation.
mesh_terms: D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000000981:diagnostic imaging; D001980:Bronchi / Q000002:abnormalities*; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000175:diagnosis; D006801:Humans; D007223:Infant; D008022:Ligaments / Q000000981:diagnostic imaging / Q000601:surgery; D008026:Ligation; D008168:Lung / Q000000981:diagnostic imaging / Q000473:pathology; D008173:Lung Diseases, Obstructive / Q000209:etiology*; D008297:Male; D011859:Radiography