Characteristics | Non-radiotherapy | Radiotherapy | ||
---|---|---|---|---|
No. | % | No. | % | |
Gender | ||||
Male | 45 | 58 | 40 | 62 |
Female | 33 | 42 | 25 | 38 |
Age (years) | ||||
≤ 67 | 33 | 42 | 26 | 40 |
> 67 | 45 | 58 | 39 | 60 |
TNM stage | ||||
I | 21 | 27 | 18 | 28 |
IIA + IIIA + IIIB | 39 | 50 | 38 | 58 |
IIIC + IV | 18 | 23 | 9 | 14 |
Differentiation | ||||
Well | 5 | 6 | 4 | 6 |
Moderately | 55 | 71 | 44 | 68 |
Poorly | 18 | 23 | 17 | 26 |
Number of tumors | ||||
Single | 68 | 89 | 53 | 82 |
Multiple* | 8 | 11 | 12 | 18 |
Surgical type | ||||
Rectal amputation | 42 | 54 | 25 | 38 |
Anterior resection | 36 | 46 | 40 | 62 |
Rectal margin | ||||
Tumor free | 74 | 95 | 62 | 95 |
Tumor involved margin | 4 | 5 | 3 | 5 |
Distance to anal verge (cm) | ||||
Mean | 7.3 | 8.6 |