Hypofractionated Versus Conventionally Fractionated Postmastectomy Radiotherapy With Internal Mammary Node Irradiation for High-Risk Breast Cancer (HypoMast-IMNI): A Randomized Phase III Trial.
PURPOSE When coverage of internal mammary nodes (IMN) is required, the efficacy and safety of hypofractionated regimens within postmastectomy radiotherapy (PMRT) remain to be established. This study evaluated hypofractionated radiotherapy (HypoRT) in patients with high-risk, operable breast cancer undergoing PMRT with...