PATIENT CHARACTERISTICS: Age: Physiologic age 45 and under Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: See Disease Characteristics Hepatic: Bilirubin no greater than 2.0 mg/dL SGOT and SGPT no greater than 2 times upper limit of normal Renal: Creatinine no greater than 2.0 mg/dL Cardiovascular: No myocardial infarction within the past 6 months No coronary artery disease requiring medical therapy Resting LVEF at least 40% Pulmonary: FEV1/FVC at least 60% predicted DLCO at least 60% predicted Other: HIV negative No prior malignancy except basal cell or squamous cell skin cancer Other malignancies for which the patient is cured by local surgical therapy, such as head and neck cancer or stage I breast cancer, are considered on an individual basis Not pregnant Negative pregnancy test Fertile patients must use effective contraception No psychiatric illness or mental deficiency that would preclude compliance or informed consent