Table 1 Tissue sampling and heterogeneity assessment
Characteristic | Number | % |
|---|---|---|
Age at diagnosis | ||
≥50 | 23 | 69.7 |
<50 | 10 | 30.3 |
Histological grade | ||
1 | 0 | 0 |
2 | 20 | 60.6 |
3 | 13 | 39.4 |
Tumor size | ||
<2 cm | 6 | 18.2 |
2–5 cm | 25 | 75.8 |
≥5 cm | 2 | 6.1 |
ER status | ||
ER positive | 23 | 69.7 |
ER negative | 10 | 30.3 |
PgR status | ||
PgR positive | 19 | 57.6 |
PgR negative | 14 | 42.4 |
HER2 status | ||
HER2 positive | 5 | 15.2 |
HER2 negative | 28 | 84.8 |