Distant-disease free interval in participants (pts) with 1–3 positive lymph nodes (LN), hormone receptor-positive (HR+) and her2-negative (HER2-) breast cancer (BC) with recurrence score (RS) < or = 25 randomized to endocrine therapy (ET) ± chemotherapy (CT): SWOG s1007 (RxPONDER) - Kalinsky, K M; Barlow, W E; Gralow, J R (San Antonio Breast Cancer Symposium, 2021)