Serial and parallel organ‐at‐risk‐specific noncoplanar arc optimization for small versus large target volumes in liver SBRT
John Lincoln,
Lee MacDonald,
Lucy Ward
et al.
Abstract:Noncoplanar arc optimization has been shown to reduce OAR doses in SRS/SRT and has the potential to reduce doses to OARs in SBRT. Extracranial targets have additional considerations, including large OARs and, in the case of the liver, volume constraints on the healthy liver. Considering pathlengths through OARs that encompass target volumes may lead to specific dose reductions as in the encompassing healthy liver tissue. These optimizations must also leverage delivery efficiency and trajectory sampling to ensu… Show more
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