Prospective Study on the Efficacy and Safety of 2 Week or 3 Week Xelox Regimen for Adjuvant Chemotherapy in CRC

This study select the diagnosis of postoperative colorectal cancer patients with stage II/III to adjuvant chemotherapy, and received 2 weeks and 3 weeks xelox adjuvant treatment process until disease progression or patients died or lost to follow-up. To analyze the difference in efficacy and safety of xelox in 2 weeks and 3 weeks of postoperative adjuvant therapy for colorectal cancer, so as to find a better postoperative adjuvant treatment model.