PATIENT CHARACTERISTICS: Age: 14 to 70 Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: WBC greater than 3000/mm3 Absolute neutrophil count greater than 1500/mm3 Platelet count greater than 100,000/mm3 Hepatic: Bilirubin, SGOT, and SGPT less than 2 times normal Renal: Creatinine clearance greater than 60 mL/min Cardiovascular: LVEF at least 45% Pulmonary: DLCO at least 50% FEV1 at least 60% Other: Not pregnant or nursing Fertile patients must use effective contraception HIV, HTLV-1, and HTLV-2 negative Hepatitis B and C negative