Foreign body in the mediastinum.
D002648:Child; D005547:Foreign Bodies / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008297:Male; D008482:Mediastinum / Q000000981:diagnostic imaging; D011859:Radiography; D018805:Sepsis / Q000209:etiology; D013898:Thoracic Injuries / Q000150:complications; D014054:Tomography; D014934:Wood