PATIENT CHARACTERISTICS: Age: 18 to 75 Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: Absolute neutrophil count at least 2,000/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 3 times upper limit of normal Renal: No uncontrolled hypercalcemia Cardiovascular: No significant cardiac disease Pulmonary: No severe respiratory illness Neurologic: No peripheral sensory neuropathy Other: No uncontrolled infection or chronic disease No second malignancy except basal cell carcinoma of the skin or in situ carcinoma of the cervix