CEACAM5 and cancer: No significant difference was found in the response frequency when the patients were grouped with age, family history of cancer, abortion history, tumor size, histological type, pathological grade, clinical stage, levels of Squamous cell carcinoma antigen (SCC-Ag), Carcinoembryonic antigen (CEA), Tumor specific growth factor (TSGF), or pelvic lymph node metastasis (Table 2).