An interesting and unusual cause of hemoptysis.
D005547:Foreign Bodies / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D006469:Hemoptysis / Q000209:etiology*; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography