title: An unusual football injury.
mesh_terms: D000293:Adolescent; D001265:Athletic Injuries / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D004939:Esophageal Perforation / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008480:Mediastinitis / Q000000981:diagnostic imaging; D011859:Radiography; D013247:Sternoclavicular Joint