Table 1.
Clinicopathological characteristics of patients with breast cancer
| Characteristic | Categories | Number (%) |
|---|---|---|
| Age | ≤50 | 25 (34) |
| >50 | 49 (66) | |
| Histopathological Subtypes of Breast Cancer | Invasive Ductal Carcinoma | 60 (81) |
| Invasive Lobular Carcinoma | 8 (11) | |
| Mucinous Carcinoma | 5 (7) | |
| Unknown | 1 (1) | |
| Nottingham Histological Grade | I | 14 (19) |
| II | 40 (54) | |
| III | 18 (24) | |
| Unknown | 2 (3) | |
| Tumor (pT) Stage | pT1 | 18 (24) |
| pT2 | 21 (28) | |
| pT3 | 6 (8) | |
| pT4 | 2 (3) | |
| Unknown | 27 (37) | |
| Lymph Node Involvement | Positive | 30 (40) |
| Negative | 37 (50) | |
| Unknown | 7 (10) | |
| Estrogen Receptor (ER) Status | ER+ | 59 (80) |
| ER- | 13 (17) | |
| Unknown | 2 (3) | |
| Progesterone Receptor (PR) Status | PR+ | 54 (73) |
| PR- | 18 (24) | |
| Unknown | 2 (3) | |
| HER2 Status | Positive (3+) | 8 (11) |
| Equivocal (2+) | 8 (11) | |
| Negative (0–1+) | 56 (76) | |
| Unknown | 2 (3) | |
| Ki-67 Proliferative Index (PI) | Low (<10%) PI | 19 (26) |
| Intermediate (10–20%) PI | 10 (13) | |
| High (>20%) PI | 23 (31) | |
| Unknown | 22 (30) | |
| Molecular Classification of Breast Cancer | Luminal A | 32 (43) |
| Luminal B | 28 (38) | |
| HER2+ | 2 (3) | |
| Triple Negative | 10 (13) | |
| Unknown | 2 (3) | |
| HPV Expression | Invasive Ductal Carcinoma | 38 (51) |
| Invasive Lobular Carcinoma | 5 (7) | |
| Mucinous Carcinoma | 4 (5) | |
| EBV Expression | Invasive Ductal Carcinoma | 21 (28) |
| Invasive Lobular Carcinoma | 1 (1) | |
| Mucinous Carcinoma | 3 (4) |