Table 1 Details of patients and CK19 expression in peripheral blood
| Â | Number of patients | % | Positive cases |
|---|---|---|---|
Pathology size | Â | Â | Â |
< 1 cm | 5 | 10.4 | 1 |
1–2 cm | 11 | 22.9 | 3 |
> 2 cm | 32 | 66.7 | 9 |
Clinical stage | Â | Â | Â |
Benign tumor | 7 | 14.6 | 0 |
I | 4 | 8.3 | 0 |
II | 23 | 47.9 | 2 |
III | 7 | 14.6 | 5 |
IV | 7 | 14.6 | 6 |
Histology | Â | Â | Â |
Infiltrating ductal carcinoma | 39 | 81.3 | 13 |
Fibroadenoma | 1 | 2 | 0 |
Struma | 6 | 12.5 | 0 |
Intraductal breast cancer | 2 | 4.2 | 0 |
Distant metastasis | Â | Â | Â |
Metastasis | 7 | 14.6 | 6 |
Without metastasis | 41 | 85.4 | 7 |