title: Neck masses: diagnosis & treatment. (The occult primary tumor).
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D010038:Otorhinolaryngologic Diseases / Q000175:diagnosis* / Q000628:therapy