Table 3.
Surgical procedure and pathological findings
| n | % | |
|---|---|---|
| Surgery |
|
|
| Anterior resection |
28 |
36.8% |
| Abdominal perineal resection |
46 |
60.5% |
| Hartmann |
2 |
2.6% |
| Lymphatic or vascular invasion |
|
|
| No |
71 |
93.4% |
| Yes |
5 |
6.6% |
| Neural invasion |
|
|
| No |
68 |
89.5% |
| Yes |
8 |
10.5% |
| CRM |
|
|
| Negative |
76 |
100.0% |
| Positive |
0 |
0.0% |
| ypT stage |
|
|
| T0 |
18 |
23.7% |
| T1 |
10 |
13.2% |
| T2 |
20 |
26.3% |
| T3 |
26 |
34.2% |
| T4 |
2 |
2.6% |
| ypN stage |
|
|
| N0 |
47 |
61.8% |
| N1 |
19 |
25.0% |
| N2 |
10 |
13.2% |
| Examined lymph nodes |
|
|
| Median (Min-max) |
12(2–35) |
|
| TRG Score |
|
|
| 4 |
18 |
23.1% |
| 3 |
34 |
43.6% |
| 2 |
17 |
21.8% |
| 1 |
7 |
9.0% |
| Total | 76 | 100.0% |
CRM: circumferential resection margin.
TRG: tumor regression grade.