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VMAT SBRT an overview…
Technique
Effect
Comment
Li et al
VMAT/FFF
PTV degraded up to 7%
Minimum margin of 5mm
necessary
Riley et al
VMAT
<2%
4DCT tracks. Larger eff
Ong et al
2-arc VMAT SBRT
98.5% for large modulated plans met
gamma 3%, 99.5% for low modulation
not homogeneous
Rao et al
VMAT
<1% for GTV
mapping on 4DCT
Zhao et al
VMAT
Mostly OK, some outliers in single patients
Simulation using CK-tracks
Yang et al
DMLC
<3%
6 patients
Ehrbar et al
VMAT
GTV<3.8% average