ecrin-mdr-crcClinical2015colorectal cancerColorectal CancerOtherhttps://newmdr.ecrin.org/Study/2671695China5ECRIN MDRRecruitingfalseA correlation study on the expression of CTGF mRNA in CTCs and the clinicopathological feature,treatment and prognosis of colorectal cancerInterventions: all example:no measure Primary outcome(s): CTCs Study Design: Cohort study2015-05-152671695ChiCTR-ROC-16008543