1.
The clinicopathological features of the studied cases
| Characteristics | n | % |
| Tumor grade | ||
| G1 | 38 | 35.5 |
| G2 | 45 | 42.1 |
| G3 | 24 | 22.4 |
| Mitotic count | ||
| M1 | 48 | 44.9 |
| M2 | 54 | 50.5 |
| M3 | 5 | 4.7 |
| Tumor size, cm | ||
| <2 | 5 | 4.7 |
| >2 | 102 | 95.3 |
| Lymph node | ||
| Negative | 26 | 24.3 |
| Positive | 81 | 75.7 |
| Tumor stage | ||
| Stage I | 2 | 1.9 |
| Stage II | 48 | 44.9 |
| Stage III | 57 | 53.3 |
| Alive or dead | ||
| Alive | 84 | 79.0 |
| Dead | 23 | 21.0 |
| Metastasis or recurrence | ||
| Negative | 75 | 70.0 |
| Positive | 32 | 30.0 |
| Histological type | ||
| IDC | 101 | 94.4 |
| ILC | 5 | 4.7 |
| Mucinous | 1 | 0.9 |
| ER | ||
| Negative | 50 | 46.7 |
| Positive | 57 | 53.3 |
| PR | ||
| Negative | 48 | 44.9 |
| Positive | 59 | 55.1 |
| HER2 | ||
| Negative | 86 | 80.4 |
| Positive | 21 | 19.6 |
| Ki-67 | ||
| <15 | 71 | 66.2 |
| >15 | 36 | 33.8 |
| Molecular type | ||
| HER2 | 15 | 14.0 |
| Lumial A | 44 | 41.1 |
| Lumial B | 23 | 21.5 |
| Triple -negative | 25 | 23.4 |