CEACAM5 and neoplasm: Then, we analyzed whether GARP expression levels were associated with clinicopathological features, including gender, age, tumor size (T), lymph node metastasis (N), distant metastasis (M), TNM stage, tumor differentiation, preoperative serum carcinoembryonic antigen (CEA) levels, and preoperative serum carbohydrate antigen 19-9 (CA19-9) levels.