CEACAM5 and colorectal carcinoma: By stratifying patients, the distribution, correlation, survivals, recurrence rate and odds ratio of several valuable biomarkers in CRC, including the circulating miRNA-21s, the numbers of CTC, the presence of CTM, the level of serum CEA and CA 19-9, were assessed for the potential to improve the prognosis of recurrence in CRC patients at an early time of follow-up after first clinical treatment.