Table 4.
Details describing risk-optimized proton therapy (ROPT) treatment plans for prostate radiotherapy. Results were obtained without normal tissue DVH constraints for linear and non-linear risk models. Axial slices of the treatment plans are shown in figure 1.
|
Without DVH Constraints |
||||||
|---|---|---|---|---|---|---|
| Risk model | Plan description | Gantry Angles (degrees) | Beam Weights | ERR bladder | ERR rectum | Plan Label |
| iirp (Shuryak et al) | Posterior | 180 | 1 | 0.52 | 0.10 | B |
| Linear-non-threshold | Lateral parallel-opposed | 90, 270 | 0.5, 0.5 | 5.46 | 2.07 | A |
| Linear-exponential-10 | Posterior | 180 | 1 | 0.21 | 0.06 | B |
| Linear-exponential-40 | Posterior oblique | 157.5, 202.5 | 0.5, 0.5 | 1.08 | 0.96 | D |
| Linear-plateau-10 | Posterior oblique | 157.5, 202.5 | 0.5, 0.5 | 0.49 | 0.39 | D |
| Linear-plateau-40 | Lateral parallel-opposed | 90, 270 | 0.5, 0.5 | 1.74 | 0.65 | A |