Table 3.
Comparison of average mean (or maximum) doses (Gy, ±σ), delivered with a static-based IMRT plan, with varying patient motion.
Target/OAR* | Dose (Gy) ± Standard deviation | ||
---|---|---|---|
Immobilized at End Exhale | Normal Respiration | Deep Respiration | |
Boost | 60.4 ± 0.2 | 57.7 ± 7.0 (p = 0.31) | 59 ± 2.5 (p = 0.14) |
Breast | 52.3 ± 1.4 | 50.2 ± 6.9 (p = 0.36) | 51.5 ± 2.3 (p = 0.37) |
SCV§ | 52.4 ± 0.9 | 52.6 ± 0.8 (p = 0.23) | 52.6 ± 0.9 (p = 0.25) |
ICV† | 53.1 ± 0.5 | 53 ± 0.7 (p = 0.32) | 52.6 ± 1.2 (p = 0.19) |
IMN†† | 50.8 ± 3.9 | 48 ± 9.8 (p = 0.35) | 49.8 ± 3.9 (p = 0.30) |
Heart | 0.7 ± 0.7 | 0.8 ± 0.8 (p = 0.10) | 0.9 ± 0.9 (p = 0.04) |
Heart (Max) | 9.3 ± 8.4 | 10.8 ± 8.7 (p = 0.07) | 13.5 ± 9.0 (p = 0.01) |
LAD[ ] | 2.5 ± 2.2 | 2.5 ± 2.0 (p = 0.89) | 3.5 ± 2.4 (p = 0.003) |
LAD (Max) | 11.6 ± 7.6 | 13.2 ± 6.9 (p = 0.37) | 17.4 ± 7.7 (p = 0.01) |
Ipsilateral lung | 11.9 ± 1.8 | 11.2 ± 2.6 (p = 0.53) | 13 ± 2.1 (p = 0.04) |
Abbreviations: Organs at Risk;
Supraclavicular Lymph Nodes;
Infraclavicular Lymph Nodes;
Internal Mammary Lymph Nodes;
Left Anterior Descending Artery