| NCTD | Norcantharidin |
| RT | Radiotherapy |
| ROS | Reactive oxygen species |
| CRC | Colorectal cancer |
| IR | Ionizing radiation |
| DRP1 | Dynamin-related protein 1 |
| MMP | Mitochondrial membrane potential |
| AOD | Average optical density |
| IOD | Integrated optical density |
| IHC | Immunohistochemistry |
| SER | Sensitization enhancement ratio |
| Apaf-1 | Apoptotic protease activator |
| SA-β-gal | Senescence-associated β-galactosidase activity |
| Cyt C | Cytochrome C |
| CHK2 | Checkpoint kinase 2 |
| NCCN | National Comprehensive Cancer Network |