| AE | Adverse Events |
| AI | Aromatase Inhibitor |
| ALN | Axillary Lymph Node |
| CDK | Cyclin-Dependent Kinase |
| EBC | Early breast cancer |
| HER2− | Human Epidermal Growth Factor Receptor 2-Negative |
| HR+ | Hormone Receptor-positive |
| iDFS | invasive Disease-Free Survival |
| PFS | Progression-Free Survival |
| QoL | Quality of Life |
| QTcF | QT interval corrected for heart rate using Fridericia’s formula |
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