IMRT 2018

ART, setup and margins

Decide what your clinical limits are

• V95% of CTV can drop 1% • D1cc spinal cord can increase 1 Gy Decide what your clinical goals are

• D 45Gy bowel should decrease 20% compared to non-ART strategy

Decide on setup strategy

• Bones • Primary tumour • Lymph node • Carina or other surrogate • Markers Find your uncertainties – calculate margins

Determine your ART strategy and ART tolerances