PATIENT CHARACTERISTICS: Age: Not specified Performance status: GOG 0-2 Life expectancy: Not specified Hematopoietic: WBC at least 3,000/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 times normal SGOT no greater than 3 times normal Alkaline phosphatase no greater than 3 times normal No acute hepatitis Renal: Creatinine no greater than 2.0 mg/dL Cardiovascular: No unstable angina No myocardial infarction within prior 6 months Patients with abnormal cardiac conduction are eligible if disease stable for at least 6 months Other: No septicemia or severe infection No severe gastrointestinal bleeding No other invasive malignancy within past 5 years except nonmelanoma skin cancer Any previous cancer treatment must not contraindicate this protocol therapy