Table 5.
This table shows volume overlap of baseline cone beam CT (CBCT)-based gross tumour volume (GTV) acquired prior to fraction 1 (cbctGTV1) with weekly CBCT-based GTV (cbctGTVs) (cm3)
| Patient | Volume of overlap (cm3) |
||
|---|---|---|---|
| cbctGTV1 and 2 | cbctGTV1 and 3 | cbctGTV1 and 4 | |
| 1 | 5.3 | 4.4 | 6.4 |
| 2 | 2.6 | 2.3 | 1.3 |
| 3 | 220.1 | 218.9 | 208.5 |
| 4 | 6.9 | 8.1 | 7.4 |
| 5 | 23.2 | 22.5 | 18.5 |
| 6 | 115.9 | 99.1 | 90.7 |
| 7 | 4.2 | 2.0 | 2.4 |
| 8 | 85.0 | 100.1 | 91.8 |
| 9 | 68.4 | 58.2 | 58.5 |
| 10 | 225.2 | 224.5 | 210.1 |
| 11 | 19.2 | 19.2 | 16.7 |
| 12 | 4.5 | 4.6 | 1.6 |
| Mean | 65.0 | 63.7 | 59.5 |
| Standard deviation | 82.45 | 81.97 | 77.43 |