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Planning target volume concepts

Courtesy: Marcel vanHerk. Planning target volume concepts. Conventional Free-breathing CT scan. Internal Target Volume. Gating @ exhale. Mid- Ventilation /Position. Time-averaged mean position. }. Motion. Margin ?. May be too large. Inaccurate. GTV/ ITV CTV PTV.

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Planning target volume concepts

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  1. Courtesy: Marcel vanHerk Planning target volume concepts Conventional Free-breathing CT scan Internal Target Volume Gating @ exhale Mid- Ventilation/Position Time-averaged mean position } Motion Margin ? May be too large Inaccurate GTV/ITVCTVPTV

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