CEACAM5 and neoplasm: The other consists of the above 5 miRNAs plus one tumor marker (CEA), and its calculating formula was as follows: logit(P) = 0.5640 × CEA + 0.1758 × miR-15b - 0.2653 × miR-17 + 0.0466 × miR-21 + 0.1871 × miR-26b + 0.2369 × miR-145.