CA125 and CEA are two common serum tumor markers, the content of which is significantly elevated in many cancers, such as epithelial ovarian cancer, carcinoma of fallopian tube, and lung cancer, and related reports have indicated [21, 22] that high levels of CA125 and CEA have important reference values in the diagnosis and prognosis of cervical cancer. The gene discussed is CEACAM5; the disease is neoplasm.