Lower GI 2017

Venous Invasion after CRT

No.

%V1/2 10yr LR 10yr DM

10 yr DFS

3 yr DFS

Fokas et al 2014 CAO/ARO/A10-94 Chand et al 2015

V0

386 4.7% 6.3% 28% 74.5%

V1/V2

9.1% 57.9%* 42.9%*

V0

188 19%

65.9%

V1/V2

36.9%**

pEMVI is still a strong prognostic factor for DFS & the development of distant metastasis after pre-operative chemoradiotherapy !!

( * p < 0.002 )