Patterns of practice of regional nodal irradiation in breast cancer: results of the European Organization for Research and Treatment of Cancer (EORTC) NOdal Radiotherapy (NORA) survey†
Predicting breast cancer outcome based on SLN node status without ALND is currently an area of uncertainty in SLN+ patients. These uncertainties influence the decision-making of adjuvant nodal irradiation. The NORA Survey was designed to examine the patterns of RNI practice in Europe to provide a basis for designing future trials in areas of equipoise in clinical decision-making concerning RN
