ESTRO course on Image Guided Radiotherapy in Clinical Practice 2018

Intrafraction motion

Measurement

treat

treat

treat

treat

Measurement

difference

Translations (cm):

X

y

z

Mean 0.02 SD 0.06

0.01 0.03

-0.02 0.03

Data for brain SABR

Pre-post overestimates intrafraction motion