CEACAM5 and colorectal carcinoma: Some previous studies53, 54 demonstrated that s‐CEA was an independent prognostic factor for CRC, which was inconsistent with the results of our study We found s‐CEA was only a prognostic factor for CRC, not an independent prognostic factor; however, t‐CEA was not only a prognostic factor but also an independent prognostic factor of CRC by univariate analysis and multivariate analysis.