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| Characteristic | n | % |
|---|---|---|
| Size (cm) | ||
| ⩽2 | 34 | 21.8 |
| >2 | 114 | 73.1 |
| Unknown | 8 | 5.1 |
| Grade | ||
| 1+2 | 57 | 36.5 |
| 3 | 77 | 49.4 |
| Unknown | 22 | 14.1 |
| Nodal status | ||
| Positive | 85 | 54.5 |
| Negative | 63 | 40.4 |
| Unknown | 8 | 5.1 |
| ER status | ||
| Positive | 102 | 65.4 |
| Negative | 41 | 26.3 |
| Unknown | 13 | 8.3 |
| PR status | ||
| Positive | 56 | 35.9 |
| Negative | 90 | 57.7 |
| Unknown | 10 | 6.4 |
| Histology | ||
| Ductal (D) | 115 | 73.7 |
| Lobular (L) | 25 | 16.0 |
| Mixed D+L | 11 | 7.1 |
| Unknown | 5 | 3.2 |
