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

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