Brufsky A, Sandin R, Stergiopoulos S, Chen C, Karanth S, Li B, Esterberg L, Makari D, Candrilli S, Goyal R, Rugo H. Overall survival with palbociclib (PAL) plus an aromatase inhibitor (AI) versus AI alone in older patients (pts) with de novo, HR+/HER2− metastatic breast cancer: a SEER-Medicare analysis. Poster to be given at the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting; May 31, 2024. Chicago, IL.