Group 5G: Metastatic Breast Cancer; ER+; Liquid Biopsy; Biomarkers

Poster #P3-10-10: Sequencing PIK3CA and AKT Inhibitors in Hormone  Receptor-Positive, HER2-Negative Metastatic Breast Cancer: A  Retrospective Analysis

Poster #P1-05-19: Circulating Tumor DNA as a Prognostic Biomarker for CDK 4/6 Inhibitor Therapy in Metastatic Breast Cancer