| Histological Type | Effective | Percentage |
| Breast adenocarcinoma | 1 | 1.2 |
| Invasive carcinoma of non-specific type | 76 | 87.3 |
| Breast carcinoma | 5 | 5.7 |
| Medullary carcinoma | 1 | 1.2 |
| Invasive papillary carcinoma | 1 | 1.2 |
| Phyllodes tumor | 3 | 3.4 |
| Total | 87 | 100 |