TABLE 1.
Institutional guidelines and ethos template goals for prostate plans
| Ethos assigned priority | Structure | Institutionalclinical values (54 Gy + 24 Gy boost) | Ethos planning goals (54 Gy plan only) | Reportedmetrics for this study | |
|---|---|---|---|---|---|
| 1 | Most Important | PTV | D95.0% ≥100.0% | D95.0% ≥100% | – |
| 2 | Very Important | CTV | Dmean ≥100.0% | Dmean ≥100% | D98% |
| Very Important | PTV | Dmax < 107.0% | Dmax (0.10 cm 3 ) < 107.0% | – | |
| Very Important | PTV | Dmin > 95.0% | Dmin (0.10 cm 3 ) > 95.0% | – | |
| Very Important | Rectum | V70Gy < 20.0% | V48.50 Gy < 20.0% | V90% < 20.0% | |
| Very Important | Rectum | V60Gy < 25.0% | V41.50 Gy < 25.0% | V75 % < 25.0% | |
| Very Important | Rectum | V40Gy < 35.0% | V27.70 Gy < 35.0% | V50% < 35.0% | |
| 3 | Important | Bladder | V70Gy < 25.0% | V48.50 Gy < 25.0% | V90% < 25.0% |
| Important | Bladder | V60Gy < 35.0% | V41.50 Gy < 35.0% | V75 % < 35.0% | |
| Important | Bladder | V40Gy < 45.0% | V27.70 Gy < 45.0% | V50 % < 45.0% | |
| Important | Bowel | Dmax < 54.0 Gy | Dmax < 27.40 Gy | – | |
| 4 | Less Important | Femur left | V50Gy < 10.0% | V34.60 Gy < 10.0% | – |
| Less Important | Femur right | V50Gy < 10.0% | V34.60 Gy < 10.0% | – | |
| Less Important | Penile bulb | Dmean < 52.5 Gy | Dmean < 26.06 Gy | – | |