1.
Clinical features of breast cancer patients
| Features | Cases No. (%) |
| ER, estrogen receptor; PR, progesterone receptor; Her-2, human epidermal growth factor receptor 2; p53, tumor protein 53; IHC, immunohistochemistry. | |
| Tumor type | |
| Infiltrating ductal carcinoma | 555 (78.39) |
| Intraductal carcinoma | 99 (13.98) |
| Infiltrating lobular carcinoma | 19 (2.68) |
| Mucinous carcinoma | 12 (1.69) |
| Others | 23 (3.25) |
| Lymph node metastasis | |
| Positive | 261 (36.86) |
| Negative | 391 (55.23) |
| Unknown | 56 (7.91) |
| ER | |
| Positive | 395 (55.79) |
| Negative | 225 (31.78) |
| Unknown | 88 (12.43) |
| PR | |
| Positive | 405 (57.20) |
| Negative | 213 (30.08) |
| Unknown | 90 (12.71) |
| Her-2 | |
| Positive | 137 (19.35) |
| Negative | 482 (68.08) |
| Unknown | 89 (12.57) |
| p53 | |
| Positive | 81 (11.44) |
| Negative | 529 (74.72) |
| Unknown | 98 (13.84) |
| IHC type | |
| ER or PR (+)/Her-2 (–) | 380 (53.67) |
| ER or PR (+)/Her-2 (+) | 86 (12.15) |
| ER (–)/PR (–)/Her-2 (–) | 102 (14.41) |
| ER (–)/PR (–)/Her (+) | 50 (7.06) |
| Unknown | 90 (12.71) |