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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
At least 98% of the volume (D
98 %)
to receive>95% of dose
•
Limit on maximum also needed, for example
Less than 1% of the volume >105% of dose