OUTLINE: Randomized study. Arm I: Radiotherapy plus Single-Agent Chemotherapy. Tumor irradiation using megavoltage equipment (at least 4 MV photons); plus Carmustine, BCNU, NSC-409962. Arm II: Radiosurgery followed by Radiotherapy plus Single-Agent Chemotherapy. Stereotactic tumor irradiation; followed by tumor irradiation as in Arm I; plus BCNU.