Particle Therapy 2017

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Page Background

Original ITV, mitigation & residual ITV

Moving

target

Organ at

risk

4D

CT

IT

V

Hold breath

Gating

Compressio

n

Coaching, …

GTV

CTV

PTV

Residual

movement

(adapted from Håkan

Nyström)

à

Evaluate the amount of movement, adopt a technical approach to mitigate, re-

evaluate