Table 1.
The dose to the organs at risk according to various treatment plans.
| Organ |
Patient 1 |
Patient 2 |
Patient 3 |
|||||||||
| IMRT-FB |
IMRT-BH |
PT-FB |
PT-BH |
IMRT-FB |
IMRT-BH |
PT-FB |
PT-BH |
IMRT-FB |
IMRT-BH |
PT-FB |
PT-BH |
|
| Heart, Gy (RBE) | 20.6 | 24.9 | 15 | 15 | 25.7 | 26 | 19.9 | 17.7 | 14.8 | 14.6 | 7.3 | 7.5 |
| Lung, Gy (RBE) | 15.7 | 13 | 8.9 | 7.3 | 14.4 | 12.8 | 13.4 | 12.7 | 12.3 | 11.3 | 8.8 | 8.2 |
| Breast, Gy (RBE) | 6.6 | 6.6 | 6.6 | 7.1 | 9.5 | 8 | 10.7 | 9 | 7.4 | 6.8 | 8.5 | 7.6 |
| Esophagus, Gy (RBE) | 19.9 | 23.7 | 16.2 | 16.3 | 21.6 | 25 | 13.9 | 15.5 | 19.9 | 21.2 | 11.5 | 12.6 |
| Body, Joules | 146 | 148.2 | 70.8 | 75.2 | 182.3 | 195.2 | 113 | 122 | 144 | 155 | 70.6 | 79.8 |
| LAD, Gy (RBE) | 29.3 | 30.2 | 32.6 | 32.7 | 31 | 31.3 | 33.8 | 34.4 | 8.4 | 5.8 | 4.7 | 0.1 |
| Left ventricle, Gy (RBE) | 15.7 | 20.6 | 5.4 | 2.9 | 23.6 | 23.1 | 11.5 | 7.5 | 9.3 | 8.8 | 3.6 | 0.6 |
| Aortic valve, Gy (RBE) | 18.8 | 22.4 | 20.8 | 29.4 | 23.5 | 24.1 | 19.7 | 14.5 | 28.1 | 27.6 | 23.7 | 20 |
Abbreviations: BH, breath holding; FB, free breathing; Gy, Gray; IMRT, intensity-modulated radiation therapy; LAD, left anterior descending artery; PT, proton therapy; RBE, relative biological effectiveness.