Javier Cortés, MD, Ph.D., Founder, and director of the International Breast Cancer Center (IBCC), in Madrid, Spain. Dr. Javier Cortés Castán is a leading oncologist of international renown in the research and treatment of breast cancer. Speaks about the SABCS 2021 Abstract – GS1-02 Final results of KEYNOTE-355: Randomized, double-blind, phase 3 study of pembrolizumab + chemotherapy vs placebo + chemotherapy for previously untreated locally recurrent inoperable or metastatic triple-negative breast cancer.