Tumor marker levels were elevated: carcinoembryonic antigen (CEA) was 61.42 ng/mL (0–5 ng/mL), carbohydrate antigen 19-9 (CA 19-9) was 483.11 kU/L (0-35 kU/L), and carbohydrate antigen 242 (CA242) was 165.37 kU/L (0–20 kU/L). The gene discussed is CEACAM5; the disease is neoplasm.