Table 1. Clinicopathological characteristics of 56 untreated early breast cancer patients.
| Characteristics | Patients (n) | Patients (%) |
|---|---|---|
| Age (years) | ||
| < 50 | 8 | 14.28 |
| ≥ 50 | 43 | 76.79 |
| Unknown | 5 | 8.93 |
| Tumor size (cm) | ||
| <2 | 41 | 73.21 |
| ≥ 2 | 14 | 25.00 |
| Unknown | 1 | 1.79 |
| Histological grade | ||
| G1/G2 | 32 | 57.14 |
| G3 | 23 | 41.07 |
| Unknown | 1 | 1.79 |
| HER2/neu status | ||
| Negative | 32 | 57.14 |
| Positive | 23 | 41.07 |
| Unknown | 1 | 1.79 |
| ER status | ||
| Negative | 15 | 26.79 |
| Positive | 40 | 71.43 |
| Unknown | 1 | 1.79 |
| PR status | ||
| Negative | 14 | 25.00 |
| Positive | 41 | 73.21 |
| Unknown | 1 | 1.79 |
| Regional lymph nodes | ||
| Negative | 40 | 71.43 |
| Positive | 14 | 25.00 |
| Unknown | 2 | 3.57 |
| Metastatic recurrence | ||
| Negative | 39 | 69.64 |
| Positive | 11 | 19.64 |
| Unknown | 6 | 10.71 |
| Sites of metastasis | ||
| No metastasis | 39 | 69.64 |
| Bone | 5 | 8.93 |
| Viscera and non-regional lymph nodes | 3 | 5.36 |
| Bone + viscera and non-regional lymph nodes | 3 | 5.36 |
| Unknown | 6 | 10.71 |
| Local relapse | ||
| Negative | 45 | 80.36 |
| Positive | 5 | 8.93 |
| Unknown | 6 | 10.71 |
HER2: Human epidermal growth factor receptor 2; ER: Estrogen receptor; PR: Progesterone receptor