Mitchell Dowsett, PhD, of the Royal Marsden Hospital discusses the EndoPredict test, which has improved performance compared with the widely used Oncotype Dx test (Abstract S3-01).
Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Hope S. Rugo, MD, of the University of California, San Francisco, discuss findings on de-escalating systemic therapy for breast cancer (Abstract ES6-3).
Matthew J. Ellis, PhD, FRCP, of the Baylor College of Medicine, gives his expert perspective on this evolving area of research.
Harold J. Burstein, MD, PhD, of the Dana-Farber Cancer Institute, discusses the CREATE-X adjuvant study of capecitabine in high-risk patients with residual disease (Abstract S6-01).
Sarat Chandarlapaty, MD, PhD, of the Memorial Sloan Kettering Cancer Center, discusses results from this study that showed patients with ER-positive metastatic breast cancer who had a D538G and/or a Y537S mutation in the ESR1 gene had significantly worse median overall survival (Abstract S2-07).
Sherene Loi, MD, of Peter MacCallum Cancer Centre, discusses a pooled individual patient data analysis of stromal tumor-infiltrating lymphocytes in primary triple-negative breast cancer treated with anthracycline-based chemotherapy (Abstract S1-03).
