A physically meaningful relationship between R50% and PTV surface area in lung SBRT

Purpose We propose a novel understanding of two characteristics of the planning target volume (PTV) that affect the intermediate‐dose spill in lung stereotactic body radiation therapy (SBRT) as measured by R50%. This phantom model research investigates two characteristics of the PTV that have a mark...

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Veröffentlicht in:	Journal of applied clinical medical physics 2020-09, Vol.21 (9), p.47-56
Hauptverfasser:	Desai, Dharmin D., Cordrey, Ivan L., Johnson, E. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Anthropomorphism Geometry lung Lung cancer PTV mean dose PTV surface area R50 R50% lower bound Radiation Oncology Physics Radiation therapy SBRT Thorax
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