| Extended-field radiotherapy | EFRT |
| Whole-pelvic radiotherapy | WPRT |
| Concurrent chemoradiotherapy | CCRT |
| Small bowel | SB |
| Cardiac vagal tone | CVT |
| Computed tomography | CT |
| Heart rate variability | HRV |
| Body mass index | BMI |
| Intensity-modulated radiotherapy | IMRT |
| Volumetric modulated arc therapy | VMAT |
| Planning target volume | PTV |