Treatment Technique | HT | 3D-6MV | 3D-10MV | VMAT-1 | VMAT-2 |
Dosimetric Parameter | Average Value ± StdDev/Gy | ||||
Mean dose to lung | 3.9 ± 1.9 | 4.0 ± 1.5 | 4.0 ± 1.5 | 4.0 ± 1.5 | 3.8 ± 1.6 |
to ipsilateral lung | 6.2 ± 2.7 | 7.4 ± 3.4 | 7.5 ± 3.3 | 6.3 ± 2.5 | 5.7 ± 2.6 |
to contralateral lung | 2.5 ± 2.1 | 1.4 ± 1.1 | 1.3 ± 1.0 | 2.0 ± 1.1 | 2.0 ± 1.2 |
Mean dose to heart | 3.4 ± 3.3 | 3.0 ± 2.0 | 3.0 ± 1.9 | 2.7 ± 3.0 | 2.6 ± 2.8 |
Maximum dose to spinal cord | 11.6 ± 6.8 | 12.8 ± 7.2 | 12.6 ± 7.0 | 14.4 ± 5.5 | 13.6 ± 6.4 |