Fig. 3: Correlation between serum tumor markers.

a No significant correlation was found between serum CEA and LG2m levels. b No significant correlation was found between serum CA19-9 and LG2m levels. c The prevalence of patients with elevated serum CEA, CA19-9, and LG2m in Cohort 1. d The prevalence of patients with elevated serum CEA, CA19-9, and LG2m in Cohort 2.