The commonly used blood biochemical markers are total bilirubin, aspartate aminotransferase (ASAT), alanine aminotransferase (ALAT), and tumor markers such as cancer-related antigen 72.4 (CA72.4), carcinoembryonic antigen (CEA), carbohydrate 19-9 (CA19-9), and alpha-fetoprotein (AFP), among others [4,6,7,8]. Here, CEACAM5 is linked to neoplasm.