1089 / 1674
RL
AP
SI
Mean residual setup error
0
-1
0
Absolute mean residual setup error
3
3
3
RMS errors with ranges
3 (2-5)
4 (2-9)
4 (2-5)
Average vector sum
6 ± 2
data are in mm, RMS: root-mean-square
the residual error in soft tissue was typically
< 5 mm
customized cradle immobilization and using orthogonal kV images appears accurate and reproducible
CBCT technique has advantages in patients with larger breast volumes or breast deformations
Fatunase et al. IJROBP 70:1025-34. 2008
Residual setup error after 2D kV/MV orthogonal imaging for APBI