Microsoft Word - Scientific Program IGRT 2016 Madrid V3

1900-1901 / 3581

Dose discrepancy due to changing anatomy
Patient with a small tumor motion (1.5 cm)
Max Dose
Discrepancy
Tumor
% in 1cc
Lung
% 1cc
Mean CT 0.3% 1.3%
Single CT 1.5% 5%
1% 2% 5%
ESTRO IGRT 2015