Malignant tumors of the nasopharynx.
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D005500:Follow-Up Studies; D006801:Humans; D008223:Lymphoma / Q000532:radiotherapy; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D009364:Neoplasm Recurrence, Local; D011379:Prognosis; D012208:Rhabdomyosarcoma / Q000532:radiotherapy