| ORC (73) | LRC (38) | ORC vs. LRC with PAS | ||||
---|---|---|---|---|---|---|---|
PAS | Â | PAS | Â | Â | |||
No | Yes | P value | No | Yes | P value | P value | |
T stage | Â | Â | 0.321# | Â | Â | 0.744# | 0.788# |
 T1, Tis | 11 | 8 |  | 8 | 5 |  |  |
 T2 | 22 | 7 |  | 6 | 2 |  |  |
 T3 | 7 | 7 |  | 9 | 2 |  |  |
 T4 | 8 | 3 |  | 4 | 2 |  |  |
N stage | Â | Â | 0.865# | Â | Â | 0.469# | 1.000# |
 N0 | 42 | 24 |  | 21 | 11 |  |  |
 N1 | 3 | 0 |  | 3 | 0 |  |  |
 N2 | 2 | 1 |  | 3 | 0 |  |  |
 N3 | 1 | 0 |  | 0 | 0 |  |  |
Tumor grade (WHO 2004) | Â | Â | 0.639# | Â | Â | 1.000# | 1.000# |
 Low grade | 14 | 6 |  | 6 | 2 |  |  |
 High grade | 34 | 19 |  | 21 | 9 |  |  |
Positive surgical margin (PSM) | 5 | 3 | 1.000# | 3 | 2 | 0.615# | 1.000# |
Lymph node dissection (LND) | 9.1 ± 3.5 | 10.4 ± 3.6 | 0.14* | 10.1 ± 2.4 | 11.3 ± 3.1 | 0.253* | 0.403* |