PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: Platelet count at least 130,000/mm3 WBC at least 3,400/mm3 Hemoglobin greater than 10.0 g/dL (transfusion allowed) Hepatic: Not specified Renal: Creatinine no greater than 1.4 mg/dL Cardiovascular: No active heart disease No myocardial infarction within past 6 months No uncontrolled congestive heart failure No uncontrolled angina Cardiac ejection fraction at least 50% by MUGA scan for patients under 65 without antecedent heart disease, at least 55% for patients over 65 and/or with antecedent heart disease Pulmonary: FEV greater than 60% of predicted Other: Not pregnant or nursing Fertile patients must use effective contraception