PATIENT CHARACTERISTICS: Age: 19 to 55 Performance status: ECOG 0 or 1 Life expectancy: Not specified Hematopoietic: Not specified Hepatic: Bilirubin no greater than 2 mg/dL Renal: Creatinine no greater than 2 mg/dL Cardiovascular: LVEF at least 45% No active congestive heart failure, arrhythmia, or angina pectoris No myocardial infarction within the past 12 months Pulmonary: FEV1 and FVC at least 50% predicted (75% predicted if received prior thoracic or mantle radiotherapy) Other: No active serious infection (e.g., mucormycosis, uncontrolled aspergillosis, or tuberculosis) HIV negative Not pregnant Fertile patients must use effective contraception No concurrent debilitating medical or psychiatric illness that would preclude compliance No prior malignancy except curatively treated skin cancer or carcinoma of the cervix