Based on this, the combination of exosomal miR-17-5p, carcinoembryonic antigen (CEA), cytokeratin 19 fragment (CYFRA21-1) and squamous cell carcinoma antigen (SCCA) is considered to be a newly developed diagnostic panel of NSCLC [111]. This evidence concerns the gene CEACAM5 and non-small cell lung carcinoma.