PATIENT CHARACTERISTICS: Age: 18 to 80 Performance status: GOG 0-2 Life expectancy: Not specified Hematopoietic: Absolute neutrophil count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 times upper limit of normal (ULN) SGOT no greater than 3 times ULN Alkaline phosphatase no greater than 3 times ULN Renal: Creatinine no greater than 1.5 mg/dL Other: Effective contraception required of fertile patients No significant infections No other severe medical problems that would subject patient to undue risk from this protocol No other active malignancy within past 5 years except nonmelanomatous skin cancer