PORTEC 1: EBRT vs. Observation in Endometrial Cancer Last updated on Apr 28, 2024 Previous GOG-99 (Keys): Adjuvant Pelvic RT in Intermediate-Risk Endometrial Cancer Next GOG 122: Whole-Abdominal Irradiation Versus Doxorubicin and Cisplatin Chemotherapy in Advanced Endometrial Carcinoma