Table 1.
Clinicopathological Data of Mammary Gland Tissues Used in the Patient Cohorts
| Variables | Number of Cores (%) 528 |
|---|---|
| Mammary gland | 483 (100%) |
| Normal breast tissue | 21 (4.4%) |
| Benign breast tumors | 3 (0.6%) |
| In situ carcinoma | 6 (1.2%) |
| Invasive breast cancer | 423 (87.6%) |
| Grades | 393 (100%) |
| I | 55 (14.0%) |
| II | 99 (25.2%) |
| III | 239 (60.8%) |
| Molecular subtypes | 393 (100%) |
| Luminal A | 131 (33.3%) |
| Luminal B | 66 (16.8%) |
| Her2-positive | 65 (16.6%) |
| Triple-negative | 131 (33.3%) |
| Nonrepresentative cores | 30 (6.2%) |
| Axillary lymph nodes | 26 |
| Other tissues (placenta, colon, thyroid, intestine) | 19 |