PATIENT CHARACTERISTICS: Age: No age specified Performance status: Karnofsky 50%-100% Life expectancy: Not specified Hematopoietic: WBC at least 3,000/mm3 Granulocyte count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 times normal SGOT no greater than 3 times normal Alkaline phosphatase no greater than 3 times normal Renal: Creatinine no greater than 1.5 times normal Cardiovascular: Ejection fraction within institutional normal limits Pulmonary: Not specified Other: No active infection No concurrent second malignancy other than nonmelanoma skin cancer Must be disease free of any prior malignancy for at least 5 years and not received any treatments with chemotherapy or radiation therapy for that malignancy