| Number of people | Percentage (%) |
Tumor fixation Yes No |
3 11 |
21.4% 78.5% |
Circumferential extension >50% <50% Distance of lower pole and anal margin >5 cm <5 cm Sphincter conservation Yes No |
4 10
12 2
11 3 |
28.5% 71.4%
85.7% 14.2%
78.5% 21.4% |