Table 1.
Clinicopathological characteristics of patients with breast cancer
| Characteristic | Categories | Number (%) |
|---|---|---|
| Age | ≤ 50 | 50 (49) |
| > 50 | 52 (51) | |
| Histopathological Subtypes of Breast Cancer | Invasive Ductal Carcinoma (IDC) | 92 (90.2) |
| Invasive Lobular Carcinoma (ILC) | 6 (5.9) | |
| Mixed Carcinoma (IDC + ILC) | 4 (3.9) | |
| Nottingham Histological Grade | I | 6 (5.8) |
| II | 31 (30.4) | |
| III | 65 (63.8) | |
| Tumor Stage (pT) | pT1 | 9 (8.8) |
| pT2 | 73 (71.6) | |
| pT3 | 13 (12.7) | |
| pT4 | 7 (6.9) | |
| Lymph Node Involvement (pN) | pN0 | 29 (28.4) |
| pN1 | 31 (30.4) | |
| pN2 | 19 (18.6) | |
| pN3 | 15 (14.7) | |
| Unknown | 8 (7.9) | |
| Estrogen Receptor (ER) Status | ER+ | 79 (77.5) |
| ER- | 20 (19.6) | |
| Unknown | 3 (2.9) | |
| Progesterone Receptor (PR) Status | PR+ | 66 (64.7) |
| PR− | 33 (32.4) | |
| Unknown | 3 (2.9) | |
| HER2 Status | Positive (3+) | 8 (7.9) |
| Equivocal (2+) | 22 (21.6) | |
| Negative (0–1+) | 69 (67.6) | |
| Unknown | 3 (2.9) | |
| Ki-67 Proliferative Index (PI) | Low (< 10%) PI | 16 (15.7) |
| Intermediate (10–20%) PI | 12 (11.8) | |
| High (> 20%) PI | 25 (24.5) | |
| Unknown | 49 (48) | |
| HPV Expression | Invasive ductal carcinoma (IDC) | 61 (59.8) |
| Invasive lobular carcinoma (ILC) | 3 (2.9) | |
| Mixed carcinoma (IDC + ILC) | 1 (0.9) | |
| Invasive micropapillary carcinoma | 1 (0.9) | |
| EBV Expression | Invasive ductal carcinoma (IDC) | 33 (32.4) |
| Invasive lobular carcinoma (ILC) | 5 (4.9) | |
| Mixed carcinoma (IDC + ILC) | 2 (1.9) | |
| Invasive micropapillary carcinoma | 1 (0.9) |