[Suspected foreign body aspiration].
D002675:Child, Preschool; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000175:diagnosis*; D005660:Funnel Chest / Q000175:diagnosis; D006801:Humans; D008168:Lung; D008297:Male; D011014:Pneumonia / Q000175:diagnosis*; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging*; D011859:Radiography