Table 3 Target volume characteristics
Target volumes | PTV1 (= CTV1 *) | 12.1 ± 18.6 ccm |
|---|---|---|
|  | PTV2 | 175.2 ± 54.4 ccm |
PTV1 subvolume number | Â | patient number |
| Â | 1 | 4 |
| Â | 2 | 5 |
| Â | 3 | 6 |
| Â | 4 | 1 |
PTV1 geometry single form and/or subvolume configuration | convex | 2 |
| Â | concave | 8 |
| Â | complex | 6 |
Tumor/Brain ratio (in PTV1) | Mean | 2.1 (1.7-2.9) |
| Â | max | 3.3 (2.0-4.9) |