PATIENT CHARACTERISTICS: Age: 18 to 70 Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: Not specified Hepatic: Bilirubin less than 3.1 mg/dL Renal: Creatinine less than 3.1 mg/dL Cardiovascular: LVEF at least 35% Pulmonary: FEV1 and FVC at least 40% of predicted (60% for patients who have received thoracic or mantle radiotherapy) Other: Not pregnant Fertile patients must use effective contraception Not HIV positive