Variables | Number | Percentage |
Type of endoscopy | ||
Rectosigmoidoscopy | 40 | 58.8 |
Total colonoscopy | 28 | 41.2 |
Tumor site | ||
Lower rectum | 31 | 45.6 |
Middle rectum | 21 | 30.9 |
High rectum | 16 | 23.5 |
Location of the tumor | ||
Circumferential | 26 | 38.2 |
Anterior | 23 | 33.8 |
Posterior | 5 | 7.3 |
Left side | 8 | 11.8 |
Right side | 6 | 8.8 |
Macroscopic aspect | ||
Budding appearance | 29 | 42.2 |
Ulcerative budding appearance | 31 | 45.6 |
Ulcerative infiltration | 7 | 10.3 |
Stenosing aspect | 23 | 33.8 |
Hemorrhagic lesion | 14 | 20.6 |