2. Preoperative radiographic assessment including pelvic magnetic resonance imaging or abdominal computerized tomography (CT) is performed to determine tumor is confined to uterus including cervical involvement. Preoperative histology indicates EEC.
3. A history of surgery with curative intent, including total abdominal or laparoscopic hysterectomy, bilateral salpingectomy with or without oophorectomy, pelvic lymphadenectomy or sentinel lymph node mapping and dissection, with or without para-aortic lymphadenectomy
4. Primary histologically confirmed EEC, with one of the following combinations:
1. Eastern Cooperative Oncology Group performance status of 0 or 1
2. Adequate systemic organ function, as follows:
3. Signed, written informed consent