PATIENT CHARACTERISTICS: Age: 18 to 65 Performance status: Zubrod 0-1 Life expectancy: Not specified Hematopoietic: WBC greater than 3,000/mm3 Platelet count greater than 100,000/mm3 No hematopoietic growth factor treatments Hepatic: Bilirubin, SGOT, and SGPT less than 2 times normal Renal: Estimated creatinine clearance greater than 60 mL/min Cardiovascular: Normal ejection fraction Pulmonary: DLCO greater than 50% of predicted Other: Not HIV positive Not pregnant 2 weeks prior to study No comorbid condition placing patient at high risk for complications No prior active infections No history of untreated central nervous system (CNS) disease No allergic response to eggs or murine protein