Jame Abraham, MD, of the Cleveland Clinic, discusses findings on the use of avelumab, an anti–PD-L1 antibody, in patients with locally advanced or metastatic breast cancer, as well as the preliminary efficacy and safety findings of pembrolizumab in patients with PD-L1–positive, estrogen receptor–positive/HER2-negative disease (Abstracts S1-04, 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).
Clifford A. Hudis, MD, of Memorial Sloan Kettering Cancer Center, and Julia R. White, MD, of Ohio State University Comprehensive Cancer Center, discuss a meta-analysis on efficacy and safety of hypofractionated radiotherapy for the treatment of early-stage breast cancer (Abstract P3-12-15).
Patricia A. Ganz, MD, of the University of California at Los Angeles, discusses this clinical trial of anastrozole vs tamoxifen in postmenopausal women with ductal carcinoma in situ undergoing lumpectomy plus radiotherapy (Abstract S6-04).
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)
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).
