CEACAM5 and neoplasm: Serum tumor marker analysis showed elevated levels of carcinoembryonic antigen (CEA) at 10.88 ng/mL, cancer antigen 125 (CA 125) at 247.3 U/mL, cancer antigen 15–3 (CA 15–3) at 56.74 U/mL, and human epididymis protein 4 (HE4) at 318.8 pmol/L.