CEACAM5 and neoplasm: The tumor markers cancer antigen 125 (CA-125) and carcinoembryonic antigen (CEA) were evaluated, and both were found to be within the normal range, with CA-125 being 17.4 U/mL (reference range: 0-35 U/mL) and CEA being 1.7 ng/mL (reference range: 0-2.5 ng/mL).