TVD 2016

Prescribing

Prescribing to median dose without some restriction on the  slope of the target DVH could allow a shallow slope and low  target minimum dose

Need some agreement on minimum acceptable At least 99% of the volume (D 99 %

) to receive>95% of dose to receive>95% of dose

At least 98% of the volume (D 98 %)

Limit on maximum also needed for example ,  Less than 1% of the volume >105% of dose