Table 1.
The characteristics of included patients.
| Items | Variables |
| Ages (y) | 48.12 ± 3.96 |
| Menopause | 39 (36.11%) |
| Pathological type | |
| Nonspecific invasive carcinoma | 102 (94.44%) |
| Mucinous carcinoma | 4 (3.71%) |
| Apocrine carcinoma | 2 (1.85%) |
| Pathological grades | |
| Grade I | 19 (17.59%) |
| Grade II | 62 (57.41%) |
| Grade III | 27 (25%) |
| Estrogen receptor positive | 71 (65.74%) |
| Progesterone receptor positive | 71 (65.74%) |
| Human epidermal growth factor receptor 2 positive | 29 (26.85%) |
| Primary tumor size (cm) | 2.13 ± 1.05 |
| SLN size (cm) | 1.53 ± 0.48 |
| SLN positive | 33 (30.56%) |
SLN = sentinel lymph node.