Lori J. Pierce, MD, of the University of Michigan Health System, discusses findings on second cancer incidence and non-breast cancer mortality among 40,000 women in 75 clinical trials. (Abstract S5-08)
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).
Hans Wildiers, MD, PhD, of the University Hospitals, Leuven, discusses this phase III study on the use of ado-trastuzumab emtansine vs treatment of physician’s choice in previously treated HER2-positive metastatic breast cancer (Abstract S5-05).
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).
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).
Lisa A. Carey, MD, of the University of North Carolina, and Kathy S. Albain, MD, of Loyola University Medical Center, discuss molecular predictors of outcome on adjuvant CAF plus tamoxifen, vs tamoxifen in postmenopausal patients with estrogen receptor–positive, node-positive breast cancer (Abstract S3-02).
