Comparison of immobilisation techniques
SETUP MARGIN (mm)
Lateral
Longitudinal
Vertical
Pre-
correction
Frame
1.3
1.0
1.0
Shell
1.0
4.5
4.0
Post-
correction
Frame
0.4
0.6
0.4
Shell
0.4
0.6
0.7
IGRT with ExacTrac kV stereoscopic image verification system
Rosenfelder et al
2013,
Clin Oncol 25 (1); 66–73