| 2D | Two dimension |
| 3DCRT | 3D Conformal Radiation Therapy |
| γ%≤1 | Area Gamma |
| γmax | Maximum Gamma |
| γavg | Average Gamma |
| aSi-1000 EPID | amorphous silicon 1000 Electronic Portal Imaging Device |
| DD | Dose Difference |
| DTA | Distance To Agreement |
| GI | Gamma Index |
| MLCs | Multi Leaf Collimators |
| MU | Monitor Unit |
| MV | Mega Voltage |
| IMRT | Intensity Modulated Radiation Therapy |
| PDP | Portal dose prediction |
| QA | Quality Assurance |
| SDD | Source to Detector Distance |
| SAD | Source Axis Distance |
| SD | Standard Deviation |
| TPS | Treatment Planning System |