Table 1.
Histological types of lesions in the four groups: malignant mass, benign mass, malignant non-mass and benign non-mass
| Tumour group | Number | Percentage |
|---|---|---|
| Malignant mass | 43 | 37 |
| IDC (invasive ductal carcinoma) | 27 | 23 |
| DCIS (ductal carcinoma in situ) | 4 | 3.5 |
| ILC (invasive lobular carcinoma) | 8 | 7 |
| Mixed | 4 | 3.5 |
| Benign mass | 19 | 16 |
| Fibroadenoma | 15 | 13 |
| Mixed | 4 | 3 |
| Malignant non-mass | 45 | 39 |
| IDC (invasive ductal carcinoma) | 9 | 8 |
| DCIS (ductal carcinoma in situ) | 12 | 10 |
| ILC (invasive lobular carcinoma) | 16 | 14 |
| Mixed | 8 | 7 |
| Benign non-mass | 9 | 8 |
| Fibrocystic changes | 8 | 7 |
| Mixed | 1 | 1 |