The obscured outer edge: a sign of improperly placed pleural drainage tubes.
D000328:Adult; D004322:Drainage / Q000295:instrumentation; D006801:Humans; D008297:Male; D008875:Middle Aged; D010994:Pleura / Q000000981:diagnostic imaging*; D011030:Pneumothorax / Q000628:therapy; D011859:Radiography