Table 2.
Dose volumetric parameters for organs at risks (OARs; lower values in bold font) and planning target volume (PTV)
| FB | DIBH | FEBH | |
|---|---|---|---|
| Left kidney | |||
| Dmax (Gy) | 49.8 | 49.0 | 48.3 |
| Dmean (Gy) | 16.05 | 22.99 | 13.39 |
| V5 (cc) | 173.9 | 220.1 | 182.9 |
| V10 (cc) | 140.9 | 219.7 | 149.8 |
| V20 (cc) | 85.6 | 127.1 | 60.3 |
| V30 (cc) | 35.5 | 39.8 | 9.2 |
| V40 (cc) | 11.8 | 8.6 | 5.4 |
| V50 (cc) | 0 | 0 | 0 |
| Kidneys | |||
| Dmean (Gy) | 11.34 | 16.04 | 9.71 |
| Intestinal cavity | |||
| Dmax (Gy) | 49.7 | 32.5 | 38.2 |
| V5 (cc) | 1867.4 | 2682.9 | 1605.2 |
| V10 (cc) | 749.5 | 1019.3 | 230.4 |
| V20 (cc) | 80.7 | 29.9 | 4.7 |
| V30 (cc) | 18.3 | 0.16 | 0.2 |
| V40 (cc) | 5 | 0 | 0 |
| V50 (cc) | 0 | 0 | 0 |
| Bowel loops | |||
| Dmax (Gy) | 36.6 | 27.5 | 24.4 |
| V5 (cc) | 1011.5 | 1461.1 | 687.8 |
| V10 (cc) | 392.4 | 645 | 131.3 |
| V20 (cc) | 39.4 | 9.4 | 1.2 |
| V30 (cc) | 1.5 | 0 | 0 |
| V40 (cc) | 0 | 0 | 0 |
| V50 (cc) | 0 | 0 | 0 |
| PTV | |||
| V95 (%) | 95.47 | 95.15 | 95.59 |
| V105 (%) | 3.95 | 4.02 | 3.87 |
FB, free breathing; DIBH, deep inspiration breath hold; FEBH: final expiration breath hold.