Physics Bucharest 2017
Reductions in systematic + random prostate displacements derived from verification measurements
100
80
No on-line corrections
60
SGT on-line corrections
40
20
Cumulative frequency (%)
0
0
5 25 3D displacement per fraction (systematic + random; mm) 3D daily displac ment (sy tematic + r om) m 10 15 20
De Boer, Mutanga, Heijmen et al., 2007
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