title: [Radiotherapy of malignant brain tumor].
mesh_terms: D000293:Adolescent; D000328:Adult; D001932:Brain Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011882:Radiotherapy, High-Energy; D011886:Radon / Q000627:therapeutic use
chemical_list: D011886:Radon