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. 2017 Aug 8;18(5):104–116. doi: 10.1002/acm2.12142

Table 1.

Percentage variation in chamber measured dose from calculated phase dose for the tumor position in each phase of the 4DCT dataset

Tumor chamber dose Dose variation from planned
Inferior 2 cm Inferior 1 cm Plan geometry Superior 1 cm Superior 2 cm Average variation
10 × 10 −1.9% −0.7% −0.7% −0.8% −2.3% −1.3%
GTV 5.1% 1.0% 0.5% 2.2% 3.7% 2.5%
ITV −0.5% 1.9% 0.9% 1.9% 0.8% 1.0%
Average −3.3% −3.2% −3.0% 1.5% 0.8% −1.4%
Lung override −5.7% −1.7% −1.8% 0.9% 1.0% −1.4%
Robust all −1.2% −0.2% 1.8% −0.1% −0.3% 0.0%
Robust extremes 2.4% −1.0% −2.4% −0.9% 0.8% −0.2%
Robust values −0.5% 1.4% 0.5% 0.0% −0.1% 0.2%
Average variation −0.7% −0.3% −0.5% 0.6% 0.5%
Standard deviation 3.3% 1.7% 1.7% 1.2% 1.7%