Pneumomediastinum: as a complication of foreign body in the bronchus.
D001980:Bronchi; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D007223:Infant; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D013352:Subcutaneous Emphysema / Q000000981:diagnostic imaging / Q000209:etiology