ESTRO course on Image Guided Radiotherapy in Clinical Practice 2018

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Dose discrepancy due to changing anatomy
Patient with a large tumor motion (3 cm)
Max Dose
Discrepancy
Tumor
% in 1cc
Lung
% 1cc
Mean CT 1.3% 6.0%
Single CT 3.1% 10%
2% 5% 10%
ESTRO IGRT 2018