PATIENT CHARACTERISTICS: Age: Over 18 Performance status: ECOG 0-3 Life expectancy: At least 4 weeks Hematopoietic: Not specified Hepatic: Bilirubin no greater than 2.0 mg/dL AST and ALT less than 3 times normal Alkaline phosphatase less than 3 times normal Renal: Creatinine no greater than 1.5 mg/dL OR Creatinine clearance greater than 60 mL/min Cardiovascular: No myocardial infarction within 6 months No active ischemic cardiac disease No poorly controlled congestive heart failure No other symptomatic cardiac disease Left ventricular ejection fraction at least 40% Pulmonary: No symptomatic restrictive or obstructive lung disease Other: No severe neurologic disease No active infection unless stable on antimicrobial therapy or fever is tumor related HIV negative Not pregnant or nursing Fertile patients must use effective contraception