PATIENT CHARACTERISTICS: Age: Not specified Performance status: GOG 0-2 Life expectancy: Not specified Hematopoietic: WBC at least 3000/mm3 Platelet count at least 100,000/mm3 No history of porphyria Hepatic: Bilirubin no greater than 1.5 times normal SGOT no greater than 3 times normal Alkaline phosphatase no greater than 3 times normal Renal: Creatinine no greater than 2 mg/dL Other: No concurrent or prior malignancy within past 5 years (except nonmelanoma skin cancer) or for which patient received chemotherapy Not pregnant or nursing Fertile patients must use effective contraception Must have tissue available for estrogen receptor/ progesterone receptor analysis