| A | B |
| CBCT | Cone Beam CT |
| IGRT | Image Guidance Radiation Therapy |
| DVH | Dose Volume Histogram |
| RT | Radiation Therapy |
| Sim | Simulation |
| US | Ultrasound |
| 3D (or 3D-CRT) | 3D Conformal Radiation Therapy |
| APBI | Accelerated Partial Breast Irradiation |
| BID | Treatment twice per day |
| e- | Electron |
| EBRT | External Beam Radiation Therapy |
| FRC | Fraction |
| FX | Fraction |
| HDR | High Dose Radiation |
| IMRT | Intensity Modulated Radiation Therapy |
| LDR | Low Dose Radiation |
| RA | Rotational Arc |
| SBRT | Stereotactic Body Radiation Therapy |
| SRS | Stereotactic Radiosurgery |
| SRT | Stereotactic Radiation Therapy |
| TBI | Total Body Irradiation |
| TX | Treatment |
| WBRT | Whole Brain Radiation Therapy |
| Calcs | Calculations |
| Dosi | Dosimetry |
| Gy | Gray |
| cGy | Centigrays |