Table 1.
Characteristics | N° | % |
---|---|---|
Patient specimen | ||
Surgical resection | 255 | 95 |
Diagnostic core biopsy | 6 | 2 |
Recurrent disease | 9 | 3 |
Histological grade | ||
G1 | 16 | 6 |
G2 | 112 | 41 |
G3 | 134 | 50 |
Unknown | 8 | 3 |
Pathological stage T | ||
Tx–T1 | 143 | 53 |
T2–T4 | 123 | 46 |
Unknown | 4 | 1 |
Pathological stage N | ||
Nx–N0 | 147 | 54 |
N1–N3 | 119 | 44 |
Unknown | 4 | 1 |
Hormone receptor status (HR) | ||
Negative | 47 | 17 |
Positive | 223 | 83 |
HER2 overexpression by IHC | ||
0 | 39 | 14 |
1 | 49 | 18 |
2 | 49 | 18 |
3 | 133 | 49 |