Clinicopathological features of invasive breast cancer patients (n = 70)
| Features | n | Percentage (%) |
|---|---|---|
| Age at diagnosis (years): mean age = 45 (± 10.99) | ||
| < 40 | 18 | 25.7 |
| ≥ 40 | 52 | 74.3 |
| Histological grade | ||
| I–II | 38 | 54.3 |
| III | 32 | 45.7 |
| Histological type | ||
| Invasive ductal | 65 | 92.9 |
| Invasive lobular | 5 | 7.1 |
| Tumor size (in cm) | ||
| ≤ 5 | 18 | 25.7 |
| > 5 | 52 | 74.3 |
| Tumor stage | ||
| T1–T2 | 57 | 81.4 |
| T3–T4 | 13 | 18.6 |
| Progesterone receptor (PR) | ||
| Positive | 39 | 55.7 |
| Negative | 31 | 44.3 |
| Estrogen receptor (ER) | ||
| Positive | 29 | 41.4 |
| Negative | 41 | 58.6 |
n: number of patients