Comparison of immobilisation techniques
0
25
50
75
100
Shell
Frame
Shell
Frame
Shell
Frame
Pre-correction
Post-correction
Post-treatment
% of fractions
Translational Errors >2mm
Lat
Long
Vert
IGRT with ExacTrac kV stereoscopic image verification system
Rosenfelder et al
2013,
Clin Oncol 25 (1); 66–73