title: Spontaneously expectorated penetrating foreign body.
mesh_terms: D000328:Adult; D003371:Cough; D004630:Emergencies; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008670:Metals; D011859:Radiography; D014948:Wounds, Gunshot / Q000000981:diagnostic imaging
chemical_list: D008670:Metals