| Localisation of colorectal cancers | Series | Sex-ratio (H/F) | Percentage | |
| Caecum | 13 | 5/8 | 9% | |
| Right-sided colon | Ascending colon | 35 | 23/14 | 26% |
| Colonic corner | 2 | |||
| Transverse colon | 5 | 2/3 | 4% | |
| Left-sided colon | Descending colon | 28 | 19/13 | 23% |
| Colonic corner | 4 | |||
| Sigmoid | 55 | 22/33 | 39% | |
| Rectum | 85 | 61/24 | 37% | |