Dr. Marcela Mazo Canola, Assistant Professor of Medicine, Breast Medical Oncology at UT Health San Antonio Mays Cancer Center joined our Oncology Medical Affairs Directors, Kyle Strickland and Heidi Ko to discuss the importance of biomarker testing for therapeutic implications in metastatic breast cancer. Two cases of metastatic hormone receptor-positive, HER2-negative breast cancer with PIK3CA and AKT1 alterations were discussed.