CEACAM5 and neoplasm: Table 1 shows the ANOVA results for the selected clinical variables (sex, age, T-category, N-category, pathological stage, tumor location, preoperative CEA level, and adjuvant chemotherapy regimen). As indicated in the table, the T-category, N-category, and preoperative CEA levels demonstrated a significant relationship with CRC recurrence P-value less than 0.05.