Hormone Receptor Positive (ER+/PR+, and Her2-) Metastatic Breast Cancer Clinical Trials in Florence

Predicting clinicAL outcoMes During First-line CDK4/6 Inhibitors Plus Endocrine Therapy in Patients With Advanced Hormone REceptor-poSitive HER2-negative Breast Cancer: the Retrospective-prospective Multicenter Italian PALMARES-2 Study