Lower GI 2017

Pathological stage and survival after pre- Operative Chemoradiotherapy for rectal cancer • CRM positive in 4 % • LR rate : 3 % ; distant metastases : 20 %. • 5 yr disease free survival : 74 % • Best predictor of DFS was pathological stage : concordance index* Pre-treatment clinical stage 0.5 Pathological stage 0.75 % tumour response 0.65

* ability to predict disease recurrence

Quah et al 2008