Table 4.
Differences between the dose delivered using the nominal tissue I-value and ±5% and ±10% the nominal value for different volume levels (95% and 10%) and the mean dose for the pancreas patient.
| Target Volumes | |||||
|---|---|---|---|---|---|
| +10% | −5% | +5% | +10% | ||
| GTV | 95% Volume | 1.6% | 0.9% | −0.4% | −1.3% |
| 10% Volume | 2.1% | 0.9% | −0.5% | −1.6% | |
| Mean | 1.8% | 0.9% | −0.5% | −1.4% | |
| CTV | 95% Volume | 1.5% | 0.8% | −0.8% | −1.3% |
| 10% Volume | 1.6% | 0.7% | −0.7% | −1.5% | |
| Mean | 1.4% | 0.8% | −0.8% | −1.4% | |
| PTV | 95% Volume | −4.6% | −2.1% | 1.2% | 1.9% |
| 10% Volume | 1.5% | 0.7% | −0.7% | −1.4% | |
| Mean | −3.5% | −1.7% | 1.4% | 3.0% | |
| Organs at Risk | |||||
| +10% | −5% | +5% | +10% | ||
| Celiac | 10% Volume | 1.8% | 1.2% | −0.4% | −1.2% |
| Mean | 1.6% | 1.1% | −0.8% | −1.7% | |
| Duodenum | 10% Volume | 1.4% | 0.9% | −0.6% | −1.3% |
| Mean | 0.0% | −0.2% | 0.1% | 0.0% | |
| SMA | 10% Volume | 0.7% | 0.5% | −0.9% | −2.2% |
| Mean | 0.8% | 0.5% | 0.2% | −0.8% | |
| Porta Hepatis | 10% Volume | 1.8% | 1.8% | 0.0% | −1.3% |
| Mean | 1.4% | 1.4% | −0.3% | −1.5% | |
| Spinal Cord | 10% Volume | 1.5% | 1.0% | −0.9% | −1.3% |
| Mean | 1.5% | 1.6% | −2.0% | −3.0% | |
| Liver | 10% Volume | 0.0% | 0.0% | 0.0% | 5.4% |
| Mean | −0.1% | 0.0% | 0.3% | 0.4% | |
| Stomach | 10% Volume | 1.3% | 0.1% | −0.1% | −0.4% |
| Mean | −3.4% | −1.7% | 1.4% | 3.5% | |
| Small Bowel | 10% Volume | 1.0% | 0.5% | −0.5% | −1.0% |
| Mean | −3.0% | −1.5% | 1.2% | 2.1% | |
| Large Bowel | 10% Volume | 1.1% | 0.5% | −0.5% | −1.1% |
| Mean | −1.7% | −0.8% | 0.9% | 1.6% | |
| L Kidney | 10% Volume | 1.0% | 1.0% | −0.8% | −1.0% |
| Mean | 1.0% | 0.6% | −0.3% | −0.9% | |
| R Kidney | 10% Volume | −0.2% | 0.0% | 1.8% | 1.4% |
| Mean | −2.6% | −1.4% | 1.3% | 2.8% | |