Table 3.
Beam Delivery Geometry for treatment planning studies.
| PTV geometry | No. of targets | No. of arcs | Collimator angles | Table angles | Arc lengths | MUs |
|---|---|---|---|---|---|---|
| Spherical | 5 | 6 | 85, 15, 5, | 0, 0, 0, | 350, 350, 350, | 6547 |
| 85, 95, 30 | 90, 90, 90 | 170, 170, 170 | ||||
| Irregular | 5 | 6 | 85, 45, 85, | 0, 0, 0, | 350, 350, 350, | 8143 |
| 85, 95, 45 | 90, 90, 90 | 170, 170, 170 | ||||
| Jack | 5 | 6 | 85, 15, 85, | 0, 0, 0, | 350, 350, 350, | 7684 |
| 85, 95, 15 | 90, 90, 90 | 170, 170, 170 |