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Conclusions
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GTV-T, CTV-T, ITV-T concept is complex
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CTV-ITV-T margin for internal motion & deformation
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Recommendations for standard ITV margin
at the uterus for CTV-T: min 10-15
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Margins may differ betwen patients
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CTV-ITV-T margin depends on position verification method
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No ITV concept for CTV-E and CTV-N