OUTLINE: Patients receive carmustine IV over 1 hour on days 1-3, oral etoposide on days 1-21 and 29-49, and cisplatin IV over 1-2 hours on days 1-3 and 29-31. Treatment repeats every 8 weeks for 3 courses. Patients receive radiotherapy concurrently with the third course of chemotherapy. Quality of life is assessed every 4 months for 1 year, every 6 months for 4 years, and then annually for 5 years. Patients are followed every 3 months for 5 years and then annually thereafter.