| CC | Colon cancer |
| CT | Chemotherapy |
| RC | Rectal cancer |
| CRC | Colorectal cancer |
| FOGT | Research Group Oncology of Gastrointestinal Tumors |
| LGIN/HGIN | Low grade or high grade intraepithelial neoplasia |
| FAP | Familial adenomatous polyposis |
| HNPCC | Hereditary non-polyposis colorectal cancer |
| APC | Adenomatous polyposis coli |
| MSI | Microsatellite instability |
| RCT | Radiochemotherapy |