| ACC | Adenoid cystic carcinoma |
| ATN | Auriculotemporal nerve |
| CN | Cranial nerve |
| CT | Computed tomography |
| FOV | Field-of-view |
| MRI | Magnetic resonance imaging |
| PNI | Perineural invasion |
| PNTS | Perineural tumor spread |
| RT | Radiation therapy |
| SBRT | Stereotactic body radiotherapy |