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Prescribing
•
Key changes in prescribing
➢
Prescribe to
median dose
rather than ICRU reference point
(≈ isocentre dose)
▪
median dose = D
50 %
▪
= dose to 50% of the volume
➢
Report
near-maximum
and
near-minimum
, rather than
actual max & min
➢
Still need to be aware of target coverage