Noticeably, some other characteristics of NSCLC patients, including poor differentiation, LYN metastasis, higher TNM stage, and abnormal CEA level also had the good ability to distinguish NSCLC tissue from adjacent tissue, and our data indicated that the ability of CCT6A in distinguishing NSCLC tissue from adjacent tissue was better or inferior compared with these biomarkers. This evidence concerns the gene CEACAM5 and non-small cell lung carcinoma.