| SRT | Stereotactic radiotherapy |
| BM | Brain metastasis |
| SIMT | Single-isocenter multi-target |
| MTBS | Multi-target beam setup |
| MLC | Multi-leaf collimator |
| OAR | Organ at risk |
| PTV | Planning target volume |
| PRV | Planning organ at risk volume |
| SRT | Stereotactic radiotherapy |
| BM | Brain metastasis |
| SIMT | Single-isocenter multi-target |
| MTBS | Multi-target beam setup |
| MLC | Multi-leaf collimator |
| OAR | Organ at risk |
| PTV | Planning target volume |
| PRV | Planning organ at risk volume |