Table 1.
Statistics for the ΔWET-Guided Plan and Clinical Plan From Figure 6.
| Before shift | After shift | ||||
|---|---|---|---|---|---|
| Structure | Dose metrics | Clinical | ΔWET-guided | Clinical | ΔWET-guided |
| PTV | CI | 1.1 | 1.1 | 1.1 | 1.1 |
| Dmax (%) | 113 | 112 | 112 | 111 | |
| V95% (%) | 100 | 100 | 94 | 97 | |
| ITV | V99% (%) | 100 | 100 | 98 | 100 |
| Lungs | V5 Gy (%) | 28.5 | 26.5 | 28.7 | 27.2 |
| V20 Gy (%) | 22.5 | 21.5 | 22.7 | 22.0 | |
| Dmean (Gy) | 10.2 | 9.8 | 10.7 | 10.1 | |
| Esophagus | V55 Gy (%) | 0 | 0 | 0 | 0 |
| Dmean (Gy) | 0.2 | 0.6 | 1.3 | 0.5 | |
| Heart | V50 Gy (%) | 1.3 | 1.4 | 1.5 | 1.6 |
| Dmean (Gy) | 0.2 | 1.8 | 2.4 | 2.0 | |
| Cord+5mm | Dmax (Gy) | 24.9 | 21.7 | 24.1 | 14.6 |
Abbreviations: VxGy: portion of OAR volume irradiated by dose higher than x Gy (unit: percentage of OAR volume); Vx%: portion of target volume irradiated by x% of the prescribed dose (unit: percentage of target volume); Dmax: maximum dose (unit: Gy); Dmean: mean dose (unit: Gy).