IMRT 2018

ART, setup and margins

Systematic

Random

Penumbra

Baseline shift Deformation/rotation Intrafraction shift Delineation Machine uncertainties

Baseline shift Deformation/rotation Respiration Intrafraction shift Machine uncertainties Organ filling

van Herk et al : Int J Radiat Oncol Biol Phys. 47:1121-35 (2000) van Herk: Semin Radiat Oncol 14, 52-64 (2004)