Highlights • MRI reveals shrinkage of primary tumours during long-course chemoradiotherapy.• Intra-fraction motion was assessed by 1.5 T MR-Linac.• Adaptive MR-guided boost to GTV with reduced margin revealed better rectum… Click to show full abstract
Highlights • MRI reveals shrinkage of primary tumours during long-course chemoradiotherapy.• Intra-fraction motion was assessed by 1.5 T MR-Linac.• Adaptive MR-guided boost to GTV with reduced margin revealed better rectum sparing.
               
Click one of the above tabs to view related content.