3. Prior Therapy: Prior Chemotherapy: Patients who have had a prior chemotherapy regimen for advanced or metastatic disease are excluded. Prior Radiation Therapy: Patients may have received prior radiation therapy for treatment of endometrial carcinoma. Prior radiation therapy may have included pelvic radiation therapy, extended field pelvic/para-aortic radiation therapy, and/or intravaginal brachytherapy, alone or with chemotherapy as a radiation sensitizer. All radiation therapy must be completed at least 4 weeks prior to the first date of study therapy. The prior radiation field, radiation dose, number of fractions and prior radiation start and stop dates must be provided at registration.