1123 / 1694
ESTRO IG and Adaptive
Course Parikh Athens 2017
Dutch Trial
van Gijn et al, Lancet Oncol 2011
1861 patients with
resectable rectal
cancer
randomized:
TME alone vs
25 Gy / 5 fx preop
If surgery alone, postop RT
required for SM ≤ 1mm
10 year LR 11 vs 5%
favoring preop RT
No difference in OS
LR