Table 2 Trial dose specification
Ideal solution 8 × 7.5 Gy | Reduced prescription to meet OARs constraints 8 × 7 Gy | Underdosed PTV to meet OARs constraints 8 × 7.5 Gy | ||||
|---|---|---|---|---|---|---|
Volume | 99 % | 95 % | 99 % | 95 % | 99 % | 95 % |
PTV | ≥54 Gy (90 %) | ≥60 Gy (100 %) | ≥50.4 Gy (90 %) | ≥56 Gy (100 %) | NA | ≥48 Gy (80 %) |
CTV | NA | NA | ≥54 Gy (90 %) ≥60 Gy (100 %) | |||
GTV | NA | NA | Acceptable variation | |||
66–78Gy (110–130 %) | ||||||