PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Not specified Life expectancy: Not specified Hematopoietic: WBC at least 3,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin less than 2.0 mg/dL Renal: Creatinine clearance at least 60 mL/min Cardiovascular: Ejection fraction at least 50% by MUGA scan No history of congestive heart failure or severe angina pectoris Other: No other prior malignancy except basal cell skin cancer or carcinoma in situ of the cervix Not pregnant Fertile patients must use effective contraception