PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 70%-100% (50% if hospitalized) Hematopoietic: Not specified Hepatic: Total direct bilirubin no greater than 2.0 mg/dL SGOT and SGPT no greater than 3 x normal Alkaline phosphatase no greater than 3 x normal No active hepatitis Renal: Not specified Cardiovascular: No myocardial infarction within last 6 months No congestive heart failure Ejection fraction greater than 50% (measured by MUGA or 2-D Echo) Pulmonary: No severe chronic obstructive pulmonary disease Other: No active infection or antimicrobiologically stabilized infection Not pregnant