Endocrine therapy (ET) alone was noninferior to ET plus chemotherapy for women with estrogen receptor (ER)−positive, HER2-negative, axillary node−negative, early-stage breast cancer (BC) with a midrange score as measured by the Oncotype DX Breast Recurrence Score gene expression assay.

Source: TAILORx: Many Women With Early-Stage Breast Cancer Can Avoid Chemotherapy | ASCO Annual Meeting