| Histological class | Histological types | Effective | Frequency (%) |
| Benign lesions (n = 52) | ADF | 24 | 46 |
| MFK | 11 | 21 | |
| Phyllodes tumor | 5 | 9.6 | |
| Remodeled cyst | 5 | 9.6 | |
| Mastitis | 3 | 5.7 | |
| Abscess | 1 | 1.9 | |
| Galactocele | 1 | 1.9 | |
| Galactophoritis | 1 | 1.9 | |
| Apocrine metaplasia | 1 | 1.9 | |
| Intermediate lesions (n = 5) | HCA | 2 | 40 |
| Sclorosing adenosis | 3 | 60 | |
| Malign lesions (n = 3) | CCI or CINS | 2 | 67 |
| CCIS | 1 | 33 |