PATIENT CHARACTERISTICS: Age: Any age Performance status: GOG 0-2 Hematopoietic: WBC at least 3,000/mm3 Absolute granulocyte count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no more than 1.5 times normal ALT, AST, and GGT no more than 3 times normal Alkaline phosphatase no more than 3 times normal LDH no more than 3 times normal Renal: Creatinine no more than 2.0 mg/dL Cardiovascular: No history of congestive heart failure No myocardial infarction within 6 months No unstable angina Other: No septicemia or severe infection No acute hepatitis No severe gastrointestinal bleeding No second malignancy within 5 years except nonmelanomatous skin cancer Not pregnant or nursing Effective contraception required of fertile patients