| SBRT | Stereotactic body radiotherapy |
| NSCLC | Non-Small Cell Lung Cancer |
| IGRT | Image-guided radiotherapy |
| ITV | Internal target volume |
| OAR | Organ at risk |
| 4D CBCT | Four-dimensional cone beam computed tomography |
| MV | Megavolt |
| kV | Kilovolt |
| 3D | Three-dimensional |
| ETD | ExacTrac Dynamic |
| PTV | Planning target volume |
| 4D CT | Four-dimensional computed tomography |
| RGSC | Respiratory gating system for scanners |
| GTV | Gross target volume |
| DRR | Digitally reconstructed radiograph |
| ICC | Intra-class correlation coefficients |
| SD | Standard deviation |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.