From: Cytogenetic analysis of HER1/EGFR, HER2, HER3 and HER4 in 278 breast cancer patients
Characteristic | Number of patients | ||
---|---|---|---|
 | Node-positive, pN1–3 | Node-negative, pN0 | pNx |
 | n = 131 | n = 137 | n = 10 |
pT | Â | Â | Â |
   pT1 | 32 | 64 | 3 |
   pT2 | 56 | 66 | 4 |
   pT3 | 14 | 3 | 1 |
   pT4 | 29 | 1 | 2 |
   pTx | - | 3 | - |
Histological grade | Â | Â | Â |
   G1 | 14 | 22 | 3 |
   G2 | 52 | 75 | 5 |
   G3 | 69 | 36 | 2 |
   Gx | - | 4 | - |
ER status | Â | Â | Â |
   0 | 26 | 26 | 5 |
   1–12 | 79 | 72 | 5 |
   ERx | 26 | 39 | - |