In light of PORTEC-3 and GOG 249 data, do you use adjuvant radiation therapy alone in stage Ib serous endometrial carcinoma?

The answer is still not clear but these studies do suggest limited impact of chemotherapy in early stage adverse pathology endometrial cancer. The confounding factor is that these studies combined clear cell and UPSC together and which diluted the power of the study. Chemosensitivity of CC is not sa...