title: Pneumoperitoneum secondary to pulmonary air leak.
mesh_terms: D000818:Animals; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D011030:Pneumothorax / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D051381:Rats