PATIENT CHARACTERISTICS: Age: 15 to 65 Performance status: Karnofsky 50-100% Life expectancy: Not specified Hematopoietic: See Disease Characteristics No uncontrolled bleeding Hepatic: No severe liver disease Renal: Creatinine clearance at least 60 mL/min in patients with first relapse after a complete remission of 18 months or more Cardiovascular: See Disease Characteristics No severe cardiac disease (e.g., congestive heart failure, myocardial infarction within the past 6 months, or severe arrhythmia) Pulmonary: See Disease Characteristics No severe pulmonary disease that would preclude aggressive chemotherapy Other: No hypersensitivity to E. coli proteins No severe neurologic or other disease that would preclude aggressive chemotherapy No severe psychiatric disease or other condition that would preclude study