| CRC | Colorectal Cancer |
| HDI | Human Development Index |
| EOCRC | Early Onset Colorectal Cancer |
| CT | Computed Tomography |
| MRI | Magnetic Resonance Imaging |
| TNT | Total Neoadjuvant Therapy |
| cCR | Clinical Complete Response |
| pCR | Pathological Complete Response |
| SCRT | Short-course Radiotherapy |
| LCRT | Long-course Radiotherapy |
| CRT | Chemoradiotherapy |
| TME | Total Mesorectal Excision |
| dMMR | Deficient Mismatch Repair |
| MSI | Microsatellite instability |
| LST | Laterally Spreading Tumor |
| EMR | Endoscopic Mucosal Resection |
| ESD | Endoscopic Submucosal Dissection |
| eFTR | Endoscopic Full Thickness Resection |
| EID | Endoscopic Intermuscular Dissection |
| TaTME | Transanal Mesorectal Excision |
| LAR | Low Anterior Resecion |
| ISR | Intersphincteric Resection |
| TEM | Transanal Endoscopic Microsurgery |
| TAMIS | Transanal Minimally Invasive Surgery |