Table 3 Dose-volume histogram and treatment volumes constraints:
Structure | Maximum Volume/Maximum Total Dose | ||
|---|---|---|---|
Bladder | ≤ 55%/≥ 47 Gy | ≤ 30%/≥ 70 Gy | Maximum dose: 82 Gy |
Rectum | ≤ 55%/≥ 47 Gy | ≤ 40%/≥ 65 Gy | ≤ 25%/≥ 70 Gy |
≤ 10%/≥ 75 Gy | Maximum dose: 82 Gy | ||
Femoral head | Maximum dose: 50 Gy | ||
PTV | Maximum dose ≤ 20% of prescription dose to PTV Minimum dose of 70 Gy if prescription dose of 72 Gy to PTV Minimum dose of 72 Gy if prescription dose of 74 Gy to PTV Minimum dose of 74 Gy if prescription dose of 76 Gy to PTV Minimum dose of 76 Gy if prescription dose of 78 Gy to PTV PTV's coverage to a minimum of 95% of the entire volume | ||