PATIENT CHARACTERISTICS: Age: Adult Performance status: GOG 0 or 1 Hematopoietic: WBC at least 3,000/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no more than 1.5 mg/dL AST no more than 3 times normal Renal: Creatinine no more than 2.0 mg/dL Other: No second malignancy except nonmelanomatous skin cancer Not pregnant