PATIENT CHARACTERISTICS: Age: Pre or postmenopausal Performance status: Not specified Life expectancy: At least 12 months Hematopoietic: WBC greater than 3,500/mm3 Platelet count greater than 100,000/mm3 Hepatic: Bilirubin less than 1.5 mg/dL Renal: Creatinine less than 1.5 mg/dL Creatinine clearance greater than 60 mL/min Other: No anergy (positive delayed type hypersensitivity response required to two or more common recall antigens) Female patients must be nonfertile Male patients must use effective contraception