PATIENT CHARACTERISTICS: Age: Not specified Performance Status: GOG 0-2 Life Expectancy: Not specified Hematopoietic: Platelet count at least 100,000/mm3 Absolute granulocyte count at least 1,500/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 Creatinine clearance greater than 20 mL/min Other: No invasive malignancies within the past 5 years except nonmelanomatous skin cancer No significant infection