| hscTnI | high-sensitivity cardiac troponin I |
| Gy | Gray |
| LN | lymph nodes |
| ROC | receiver operating characteristics |
| RT | radiation therapy |
| DVH | dose volume histograms |
| LAD | left anterior descending artery |
| LV | left ventricle |
| LVEF | left ventricular ejection fraction |
| T-DM1 | trastuzumab emtansine |
| CFRT | conventional fractionated radiotherapy |
| HFRT | hypofractionated radiotherapy |