| IHC score |
---|
T status | 0 | 1–4 | 5–8 | 9–12 |
1 | 6 | 3 | 0 | 0 |
2 | 3 | 3 | 2 | 5 |
3 | 4 | 3 | 1 | 9 |
4 | 4 | 8 | 5 | 2 |
N status | Â | Â | Â | Â |
0 | 1 | 0 | 2 | 1 |
1 | 3 | 2 | 1 | 4 |
2 | 8 | 5 | 2 | 8 |
3 | 5 | 10 | 3 | 3 |
- Abbreviations: IHC, immunohistochemistry. Fisher's exact test showed that the distribution of IHC score among patients with different T status was significantly different (p = 0.019), while there was no difference among patients with different N status (p = 0.295).