Table 1.
Dose‐volume constraints
| Structure | Dose volume constraints (Gy[RBE]) | Achieved values from MIP (Gy[RBE]) | Achieved values from L‐BFGS (Gy[RBE]) |
|---|---|---|---|
| Prostate (with 3837 beamlets) | |||
| Planning target volume D95% | >44 | 44 | 44 |
| Planning target volume D5%–D95% | <2 | 1.6 | 2 |
| Bladder D25% | <45 | 44.2 | 44.5 |
| Femoral heads D10% | <28 | 12.4 | 14.1 |
| Rectum D25% | <45 | 45 | 44.8 |
| H&N, case 1 (with 7773 beamlets) | |||
| Planning target volume D98% | >59 | 60 | 59.3 |
| Planning target volume D2%–D98% | <2 | 0 | 1.3 |
| Whole brain D1% | <62 | 60 | 59.5 |
| Brain stem D1% | <55 | 55 | 53 |
| Optic chiasm D1% | <55 | 55 | 56.1 |
| H&N, case 2 (with 9905 beamlets) | |||
| Planning target volume D98% | >67 | 68 | 67.6 |
| Planning target volume D2%–D98% | <2 | 0 | 0.8 |
| Brain stem D1% | <55 | 25.2 | 24.3 |
| Mucosa avoid D1% | <30 | 15.4 | 16.3 |
| Spinal cord D1% | <45 | 20.2 | 21.9 |