PATIENT CHARACTERISTICS: Age: 18 and over Performance status: SWOG 0-2 Life expectancy: Not specified Hematopoietic: Granulocyte count at least 1500/mm3 Platelet count at least 100,000/mm3 Hepatic: Not specified Renal: Not specified Cardiovascular: No arrhythmias (except sinus arrhythmia or infrequent premature ventricular contractions) No history of impaired cardiac status (severe coronary artery disease, cardiomyopathy, congestive heart failure, or serious arrhythmia Ejection fraction at least normal Other: HIV negative No prior malignancy within past 5 years except adequately treated basal cell or squamous cell skin cancer or carcinoma in situ of the cervix No pregnant or nursing Fertile patients must use effective contraception