Pneumomediastinum, a silent lesion in the newborn.
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000628:therapy; D011030:Pneumothorax; D011859:Radiography