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Outline
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Let’s start with the definition of the PTV:
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Evolution of ICRU reports in fast forward
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PTV and SRS / SBRT
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Dose prescription and reporting in SBRT: the variables!
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PTV & dose prescription
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Tissue heterogeneity & dose prescription
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PTV & tissue heterogeneity % dose prescription
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Motion & dose prescription
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What about the ICRU 91?
SBRT 2017 - D. Verellen