Severe chest recession causing translucency on an x ray.
D015615:Cystic Adenomatoid Malformation of Lung, Congenital / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D004200:Diseases in Twins / Q000000981:diagnostic imaging*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D011030:Pneumothorax / Q000000981:diagnostic imaging; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging; D011859:Radiography; D012253:Rib Fractures / Q000000981:diagnostic imaging*