Real-World Outcomes of First-Line Palbociclib Plus Endocrine Therapy for HR+/HER2- Metastatic Breast Cancer in Japan: A Single-Center Retrospective Study
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Background: Cyclin-dependent kinase 4/6 (CDK4/6) inhibitors have transformed the management of hormone receptor-positive/HER2-negative (HR+/HER2-) advanced breast cancer, yet evidence for elderly or poor-performance patients rema... ...