CEACAM5 and cancer: KRT19, CEA, COL1A2, and COL11A1 expression levels were much higher in cancer patients (KRT19 = 66.04 ± 14.29-fold; CEA = 245.81 ± 84.63-fold; COL11A1 = 47.80 ± 7.51-fold; COL1A2 = 40.64 ± 6.00-fold).