Table 2.
Hard Dose Constraints for Initial and Adaptive Plans, with Recorded Organ-at-risk Violation Metrics for Application of Non-adaptive Plans (PI) to MR Localization Images
| Degree of Violation | Degree of Violation | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Abdominal OAR | Constraint | # of PI constraint violations | Mean (Std Dev) | Median | Range | Thorax OAR | Constraint | # of PI constraint violations | Mean (Std Dev) | Median | Range |
| Uninvolved liver (liver - GTV) | 700cc < 20 Gy | 1 | NA | NA | NA | Lungs (combined) | V12.5Gy ≤ 1500 cc | 0 | NA | NA | NA |
| V25Gy < 33% | 0 | NA | NA | NA | V13.5Gy ≤1000 cc | 0 | NA | NA | NA | ||
| Mean < 20 Gy | 1 | 1 Gy | 1 Gy | 1 Gy | Esophagus max | V32Gy ≤ 0.5 cc | 5 | 1.5 ± 0.9cc | 1.6 cc | 0.3–2.8 cc | |
| Duodenum max | V35Gy < 0.5 cc | 7 | 5.7 ± 4.6 cc | 5.3 cc | 0.4–12.4 cc | Heart/Pericardium | V32Gy ≤ 15 cc | 1 | 0.4 cc | 0.4 cc | 0.4 cc |
| Stomach max | V33Gy < 0.5 cc | 6 | 8.7 ± 14.9 cc | 3.7 cc | 0.5–38.9 cc | Great vessels, non- adjacent wall | V47Gy < 10 cc | 0 | NA | NA | NA |
| Small bowel max | V30Gy ≤ 0.5 cc | 2 | 1.6 ± 0.4 cc | 1.57 cc | 1.26–1.88 cc | ||||||
| Large bowel max | V35Gy ≤ 0.5 cc | 2 | 0.2 ± 0.3 cc | 0.24 cc | 0.04–0.44cc | Trachea and ipsilateral bronchus, non-adjacent wall | V10Gy < 0.2 cc | 6 | 0.5 ± 0.4cc | 0.4 cc | 0.08–1.05 cc |
| Cord | V25Gy < 0.5cc | 0 | NA | NA | NA | ||||||
| Kidney (combined) | Mean < 18 Gy | 0 | NA | NA | NA | Cord | V8Gy < 1 cc | 0 | NA | NA | NA |