IMRT 2018

’Optimised’ but not optimal

QC of prostate IMRT plans from RTOG 0126 trial (88 centres)

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• Varying plan quality, especially with respect to rectal sparing • Rectal grade 2+ NTCP estimated with QUANTEC model • Up to 15% excess risk compared to ideal plan

Moore et al. IJROBP vol 92, n2, 228-35, 2015

06/06/2018