Table 2.
Dose constraints for target volumes and organs at risk
| Target volumes | Mandatory | Ideal |
|---|---|---|
| PTV70 D98% | ≥70.0 Gy | - |
| PTV70 D1cc | ≤77.0 Gy | ≤74.9 Gy |
| PTV61.6 D98% | ≥61.6 Gy | - |
| PTV50.4 D98% | ≥50.4 Gy | - |
| CTVP | ≥70.0 Gy | - |
| CTVSVI D99% | ≥70.0 Gy | - |
| CTVECE D99% | ≥61.6 Gy | - |
| CTVLN D99% | ≥50.4 Gy | - |
| Organs at risk | ||
| Rectum D15% | ≤74.0 Gy | ≤74.0 Gy |
| Rectum D25% | ≤69.0 Gy | ≤60.0 Gy |
| Rectum D35% | ≤64.0 Gy | ≤50.0 Gy |
| Rectum D50% | ≤59.0 Gy | ≤40.0 Gy |
| Bladder D15% | ≤79.0 Gy | ≤74.0 Gy |
| Bladder D25% | ≤74.0 Gy | ≤60.0 Gy |
| Bladder D30% | ≤69.0 Gy | ≤50.0 Gy |
| Bladder D50% | ≤64.0 Gy | ≤40.0 Gy |
| Neck of femur D5% | ≤44.0 Gy | - |
| Small bowel PRV D99% | ≤52.0 Gy | - |
| Small bowel V45Gy | ≤195 cc | - |
| Penile bulb mean dose | - | ≤51.0 Gy |