IMRT Course 2016

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One step further: Margin adaption

planning

CT

(IMRT)

plan

PI

…

PI

Fx

5

Fx

1

…

pretreatment

setup correction

Fx

6

new isocentre

for the following Fx’s

Fx

N

…

ESTRO IMRT course 2016

Adaptive Radiotherapy

London April 7th, 2016

-22-

estimation

of

systematic error

reduction of setup

error for the

following Fx’s!

Now that we have determined and reduced the

patient-individual systematic error:

Why not also reduce/adapt the margin???