PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 60-100% Life expectancy: Not specified Hematopoietic: Absolute granulocyte count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hemoglobin greater than 10 g/dL Hepatic: Bilirubin normal SGOT no greater than 2.5 times upper limit of normal Renal: Creatinine no greater than 1.5 mg/dL BUN no greater than 25 mg/dL Pulmonary: DLCO greater than 80% predicted Other: Not pregnant or nursing Fertile patients must use effective contraception during and for 2 months after study