外科医生常规对结直肠癌术后患者进行随访 ,现每年随访耗费不少 ,但收效不明显 ,主要原因为缺乏可信的手段对病情进行诊断 ,无法及时治疗以提高生存率。随访的目的 :1 .早期发现复发或新的原发肿瘤 ;2 .治疗术后并发症 ;3.增强患者信心 ;4 .对手术效果的质量评估 ;5 .决定和施 Surgeons routine follow-up of patients with colorectal cancer surgery, the current annual cost of a lot of follow-up, but the effect is not obvious, mainly due to the lack of credible means to diagnose the disease, can not be treated in time to improve the survival rate. The purpose of follow-up: 1. Early detection of recurrent or new primary tumors; 2. Treatment of postoperative complications; 3. Enhancement of patient confidence; 4. Quality assessment of surgical outcomes;