Table 2.
Percentage of plan evaluation parameters in comparison with the original treatment plan for the uncorrected and corrected oropharynx plan
| Plan parameters | Test case 3 | |
|---|---|---|
| Uncorrected plan | Corrected plan | |
| MUs | 100.0 | 98.6 |
| Mean isocentre depth | 100.0 | 91.4 |
| Correction factor | 100.0 | 98.5 |
| Max Dose | 3.1 | 0.5 |
| D95 to PTV70 | 3.1 | 0.6 |
| D95 to PTV60 | 2.5 | −0.1 |
| D95 to PTV50 | 3.0 | 0.3 |
| Volume of 95% isodose cloud | 24.0 | −2.0 |
| Max dose to cord | 2.0 | −0.6 |
| 0.1cc dose to cord | 1.8 | −0.9 |
| Max dose to brain stem | 6.8 | 0.2 |
| 0.1cc dose to brain stem | 6.4 | −0.6 |
| Mean dose to right parotid | 4.3 | −0.6 |
| D50 dose to right parotid | 4.7 | 1.0 |
| Mean dose to left parotid | 2.5 | -0.1 |
| D50 dose to left parotid | 1.5 | -1.1 |
MU: Monitor unit