Table 1. Patient characteristics for single fraction 30 Gy validation study on Halcyon. Patients were originally treated on a TrueBeam via non-coplanar arc geometry.
ITV: internal target volume; PTV: planning target volume; cc: cubic centimeter; SD: standard deviation; Gy: gray
| Patient # | ITV (cc) | PTV (cc) | Tumor location |
| 1 | 2.4 | 17.7 | Left upper lobe |
| 2 | 7.6 | 26.0 | Left upper lobe |
| 3 | 4.7 | 17.2 | Right upper lobe |
| 4 | 3.7 | 14.4 | Right medial lobe |
| 5 | 3.9 | 14.3 | Left upper lobe |
| 6 | 1.2 | 12.3 | Right upper lobe |
| 7 | 1.8 | 13.4 | Right upper lobe |
| 8 | 0.4 | 6.5 | Right lower lobe |
| 9 | 1.0 | 9.7 | Right upper lobe |
| 10 | 0.3 | 4.3 | Left upper lobe |
| 11 | 6.6 | 29.5 | Right medial lobe |
| 12 | 0.8 | 11.4 | Left upper lobe |
| 13 | 1.0 | 12.8 | Left lower lobe |
| Mean ± SD (range) | 2.96 ± 2.32 (0.4-7.6) | 14.40 ± 7.58 (4.36-29.7) |