- Patients with a current diagnosis of borderline epithelial ovarian tumor (formerly "tumors of low malignant potential") or recurrent invasive epithelial ovarian cancer treated with surgery only (such as those with stage IA or IB low grade lesions) are not eligible; patients with a prior diagnosis of a borderline tumor that was surgically resected and who subsequently develop an unrelated, new invasive epithelial ovarian or peritoneal primary cancer are eligible, provided that they have not received prior chemotherapy for any ovarian tumor