Particle Therapy 2017

Prostate motion w/ Calypso

(Langen et al. IJROBP 71, 2008)

Drift motion

Transient motion

• Displacements >3mm occurred in 25% of the time within 10 minutes …

(Lee et al, PTCOG 2010)

In your site, organ by organ, case by case

Tools to reduce, quantify and monitor movement