Histological class | Histological types | Effective | Frequency |
Benign lesions (n = 2) | Mastitis | 2 | 100 |
Intermediate lesions (n = 1) | Sclorosing adenosis | 1 | 100 |
Maligne lesions (n = 12) | CCI or CINS | 11 | 91.7 |
Pleomorphic liposarcoma | 1 | 8.3 |