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Quantification
of organ motion
Organ motion
analysis
repeat CT
Analysis of prostate motion
4D CT
and deformation
(Deurloo et al IJROBP 2004)
4D CBCT
4D MRI
0-0.25 0.25-0.75 0.75-1.25 1.25-1.75 1.75-2.25 2.25-2.75
SD (mm)
local shape variation displayed
in color wash on average GTV