Laboratory tests showed elevated tumor markers: carcinoembryonic antigen (CEA) at 235.8 ng/mL (normal < 5 ng/mL), CA125 at 88.53 U/mL (normal < 35 U/mL), and CA199 at 5,645 U/mL (normal <37 U/mL). The gene discussed is CEACAM5; the disease is neoplasm.