title: Long-term survival in nasopharyngeal carcinoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000401:mortality* / Q000532:radiotherapy; D009333:Neck; D011832:Radiation Injuries / Q000453:epidemiology; D011879:Radiotherapy Dosage; D013997:Time Factors