[Postradiation brain necrosis].
D001921:Brain / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy; D009336:Necrosis; D011832:Radiation Injuries / Q000473:pathology*; D011879:Radiotherapy Dosage