An apparent trend of lower average pass rates and minimum pass rates for jaw tracking plans, especially at the stricter gamma analysis criteria was observed.
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The use of collimator angle optimization and jaw tracking for VMAT-based single-isocenter multiple-target stereotactic radiosurgery for up to six targets in the Varian Eclipse treatment planning system.
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The sentences
Though there were no statistically significant changes in plan deliverability, there was a notable trend of plans with jaw tracking having lower gamma analysis pass rates.