TABLE VI.
Dose results and delivery efficiency for lung 1 and lung 2.
| Mean dose (Gy) | Maximum dosea (Gy) | NTCP (%) | PTV D99 (Gy) | Delivery efficiency | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Structure | 1 × 1 IMRT | IO-3D | 1 × 1 IMRT | IO-3D | 1 × 1 IMRT | IO-3D | 1 × 1 IMRT | IO-3D | 1 × 1 IMRT | IO-3D | |
| Lung 1 | |||||||||||
| PTV | 71.2 | 70.6 | 76.5 | 74.5 | — | — | 63.9 | 62.9 | MU/Fx | 488 | 270 |
| Cord | 4.9 | 6.2 | 37.5 | 39.9 | — | — | — | — | Segments | 149 | 7 |
| Esophagus | 14.4 | 13.4 | 69.0 | 69.8 | 1.7 | 1.8 | — | — | Delivery time estimate (min) | 2.0 | 0.5 |
| Heart | 14.1 | 14.1 | 75.5 | 73.9 | 0.0 | 0.0 | — | — | |||
| Lungs-GTV | 10.8 | 10.2 | 92.5 | 74.0 | 5.2 | 4.7 | — | — | |||
| Lung 2 | |||||||||||
| PTV | 71.5 | 71.6 | 78.5 | 77.5 | — | — | 65.0 | 64.1 | MU/Fx | 732 | 236 |
| Cord | 10.9 | 10.8 | 47.0 | 38.0 | — | — | — | — | Segments | 308 | 6 |
| Esophagus | 16.8 | 18.3 | 72.4 | 70.7 | 12.8 | 10.5 | — | — | Delivery time estimate (min) | 4.6 | 0.4 |
| Heart | 0.9 | 1.1 | 5.8 | 9.8 | 0.0 | 0.0 | — | — | |||
| Lungs-GTV | 7.6 | 7.9 | 76.2 | 77.2 | 3.0 | 3.2 | — | — | |||
a
Maximum doses to 0.50 cc.