Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Hope S. Rugo, MD, of the University of California, San Francisco, discuss preliminary efficacy and safety findings of pembrolizumab in patients with PD-L1–positive, estrogen receptor-positive/HER2-negative disease. (Abstract S5-07)
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).
Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Sabine Siesling, PhD, of the Netherlands Comprehensive Cancer Organization, discuss the improved overall survival after 10 years in women who received breast-conserving surgery compared with those who received mastectomy with radiation treatment. (Abstract S3-05)
Clifford A. Hudis, MD, of Memorial Sloan Kettering Cancer Center, and Joseph A. Sparano, MD, of Montefiore Medical Center, discuss this study of high-risk premenopausal luminal A breast cancer patients receiving adjuvant chemotherapy (Abstract S1-08).
Matthew J. Ellis, PhD, FRCP, of the Baylor College of Medicine, gives his expert perspective on this evolving area of research.
Clifford A. Hudis, MD, of Memorial Sloan Kettering Cancer Center, and William J. Gradishar, MD, of the Lurie Comprehensive Cancer Center, discuss the most important papers and results at this year's San Antonio Breast Cancer Symposium.
