Variations in the definition and perceived importance of positive resection margins in patients with colorectal cancer - an EYSAC international survey

H G Smith^*, N H Schlesinger, C Qvortrup, D Chiranth, D Lundon, A Ben-Yaacov, C Caballero, I Suppan, J Herrera Kok, C J Holmberg, H Mohan, G Montagna, N Santrac, R Sayyed, Y Schrage, O Sgarbura, W Ceelen, L Lorenzon, A Brandl