Table 1.
Demographic information
| Clinical pathological feature | Control (n = 30) | Tracer (n = 30) | Drug-load (n = 30) | Test value | P |
|---|---|---|---|---|---|
| Average age (year) | 45.4 ± 7.8 | 47.1 ± 8.3 | 48.4 ± 9.8 | 0.885* | 0.416 |
| Tumor location | 10.258# | 0.247 | |||
| Upper outer quadrant | 18 | 21 | 26 | ||
| Lower outer quadrant | 5 | 3 | 0 | ||
| Upper inner quadrant | 3 | 4 | 3 | ||
| Lower inner quadrant | 1 | 0 | 1 | ||
| Central area | 3 | 2 | 0 | ||
| Clinical stage | 2.018# | 0.732 | |||
| I | 8 | 8 | 6 | ||
| II | 18 | 15 | 16 | ||
| IIIA | 4 | 7 | 8 | ||
| Pathological type | 3.000# | 0.558 | |||
| Infiltrating ductal carcinoma | 29 | 29 | 29 | ||
| Mucinous carcinoma | 1 | 1 | 0 | ||
| Medullary carcinoma | 0 | 0 | 1 | ||
| ER | 1.348# | 0.510 | |||
| Positive | 19 | 20 | 23 | ||
| Negative | 11 | 10 | 7 | ||
| PR | 0.098# | 0.952 | |||
| Positive | 20 | 19 | 20 | ||
| Negative | 10 | 11 | 10 | ||
| HER-2 | 4.229# | 0.121 | |||
| Positive** | 3 | 8 | 3 | ||
| Negative## | 27 | 22 | 27 | ||
| Surgical approach | 4.488# | 0.344 | |||
| Modified radical mastectomy | 20 | 25 | 18 | ||
| Endoscopic subcutaneous mammary resection + axillary lymph nodes dissection + reconstruction with implants | 9 | 4 | 11 | ||
| Breast-conserving surgery + axillary lymph nodes dissection | 1 | 1 | 1 |
ER estrogen receptor, PR progesterone receptor, HER-2 human epidermal growth factor receptor 2, IHC immunohistochemistry
*F value; #χ 2 value; **IHC (3+) in the first biopsy before surgery; ##IHC (0 ~ 2+) in the first biopsy before surgery