ecrin-mdr-crcClinical2016colorectal cancerColorectal CancerInterventionalhttps://newmdr.ecrin.org/Study/2667270China10ECRIN MDRRecruitingfalseThe prolonged adjuvant therapy with capecitabine after R0 surgery and perioperative chemotherapy for advanced colorectal cancer with only liver metastasis: a prospective, multicenter, randomized, controlled clinical study.Interventions: control group:observation;study group:Capecitabine Primary outcome(s): DFS Study Design: Randomized parallel controlled trial2016-10-152667270ChiCTR-IPR-16009755