Nasopharyngeal cancer.
D000328:Adult; D003638:Deafness / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000150:complications / Q000532:radiotherapy / Q000628:therapy*; D009333:Neck; D009362:Neoplasm Metastasis; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy