Comparison of pathological parameters in patients with pN0 and pN1 tumours
| Pathological parameters | pN0 patients (N = 35) | pN1 patients (N = 12) |
|---|---|---|
| Tumour regression grade | ||
| TRG1 | 7 | 1 |
| TRG2 | 5 | 0 |
| TRG3 | 7 | 2 |
| TRG4 | 15 | 7 |
| TRG5 | 1 | 2 |
| T stage | ||
| pT0 | 7 | 1 |
| pT1 | 5 | 2 |
| pT2 | 4 | 0 |
| pT3 | 19 | 9 |
| Lymphovascular invasion | 4 | 3 |
| Proximal/distal margins positive | 7 | 6 |
| Radial margin positive | 5 | 7 |