Table I.
Breast cancer tumor characteristics.
| Characteristic | Number | % |
|---|---|---|
| Grade | ||
| 1 | 5 | 16.3 |
| 2 | 49 | 53.3 |
| 3 | 28 | 30.4 |
| Nodal status | ||
| N0 | 30 | 32.6 |
| N1 | 28 | 30.4 |
| N2 | 20 | 21.7 |
| N3 | 14 | 15.2 |
| Tumor size | ||
| T1 | 19 | 20.7 |
| T2 | 64 | 69.6 |
| T3 | 9 | 9.8 |
| ER | ||
| Negative | 16 | 17.4 |
| Positive | 76 | 82.6 |
| PgR | ||
| Negative | 17 | 18.5 |
| Positive | 75 | 81.5 |
| ER Allred score | ||
| <4 | 20 | 21.7 |
| ≥4 | 72 | 78.3 |
| PgR Allred score | ||
| <4 | 29 | 31.5 |
| ≥4 | 63 | 68.5 |
| HER-2 | ||
| 0 | 41 | 44.6 |
| 1 | 15 | 16.3 |
| 2 | 13 | 14.1 |
| 3 | 23 | 25 |
| Ki-67 | ||
| ≤10% | 34 | 37 |
| >10% | 58 | 63 |
| HIF-1α | ||
| Negative | 15 | 16.3 |
| Positive | 77 | 83.7 |
ER, estrogen receptor; PgR, progesterone receptor; HER-2, human epidermal growth factor receptor-2; HIF-1α, hypoxia inducible factor-1α.