title: Ewing's sarcoma: report of a case in the nasopharynx.
mesh_terms: D002648:Child; D003131:Combined Modality Therapy; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis* / Q000628:therapy; D012512:Sarcoma, Ewing / Q000175:diagnosis* / Q000628:therapy