PATIENT CHARACTERISTICS: Age: 18 to 65 Performance status: ECOG 0 or 1 Life expectancy: Not specified Hematopoietic: Not specified Hepatic: Bilirubin no greater than 2.0 mg/dL ALT or AST no greater than 2.5 times normal Renal: Creatinine no greater than 2.0 mg/dL OR Creatinine clearance at least 60 mL/min Cardiovascular: Ejection fraction at least 50% by MUGA scan No severe cardiac dysfunction or major heart disease No angina pectoris No ventricular dysrhythmias Essential hypertension allowed if controlled with medication(s) Pulmonary: DLCO at least 50% predicted No symptomatic obstructive or restrictive pulmonary disease Other: No active infections HIV negative No uncontrolled insulin dependent diabetes mellitus No uncompensated major thyroid or adrenal dysfunction No other malignancy within the past 5 years except nonmelanomatous skin cancer Not pregnant or nursing Negative pregnancy test