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RVR
Tissues not included in the CTV or not delineated as dose limiting OARs
should still be specifically delineated and named the
remaining
volume at risk
(RVR).
Dose–volume constraints applied to the RVR avoid unsuspected regions
of high dose.
In addition, the absorbed dose to the RVR can be useful in estimating
the risk of late effects, such as carcinogenesis.
RVR = Body – (CTV + OARs)
2016/Athens