| Subsite | # | (%) |
| Breast |
|
|
| Nipple | 10 | 0.5 |
| Central | 25 | 1.2 |
| Upper inner quadrant | 81 | 3.9 |
| Lower inner quadrant | 23 | 1.1 |
| Upper outer quadrant | 217 | 10.4 |
| Lower outer quadrant | 34 | 1.6 |
| Overlappent lesion | 172 | 8.1 |
| NOS | 1533 | 73.2 |