1. History of histologically confirmed diagnosis of borderline tumors or low-grade epithelial cancer from the ovary, fallopian tube or primary peritoneum. Eligible histologies include borderline serous papillary, borderline mucinous papillary, borderline endometrioid, low-grade serous papillary, low-grade mucinous papillary, low-grade endometrioid and mixture of the above. Patients whose tumors are histologically borderline but have low grade invasive implants are also included. Patients whose tumors are histologically borderline but which include high grade components are excluded.