IMRT 2018
Variation of the output factor for primary and secondary photons
courtesy M. Sikora
Primary photons
Secondary (scattered) photons
40x40cm
10x10cm
Dose(field size) Dose(reference field size)
O utput F actor =
ESTRO IMRT course 2017 Dose Calculation in Static and Rotational IMRT Madrid April 13th, 2017
-13-
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