| Relevance | Code | Description |
|---|---|---|
| C18 | Malignant neoplasm of colon | |
| C18.3 | Malignant neoplasm of hepatic flexure | |
| C18.7 | Malignant neoplasm of sigmoid colon | |
| C18.8 | Malignant neoplasm of overlapping sites of colon | |
| C18.1 | Malignant neoplasm of appendix | |
| C18.5 | Malignant neoplasm of splenic flexure | |
| C18.6 | Malignant neoplasm of descending colon | |
| C18.9 | Malignant neoplasm of colon, unspecified | |
| C18.0 | Malignant neoplasm of cecum | |
| C18.2 | Malignant neoplasm of ascending colon | |
| C18.4 | Malignant neoplasm of transverse colon | |