AFP and neoplasm: There is a moderate positive correlation between fecal galectin-3 and nuclear grade (r = 0.358; p = 0.025), histological type (r = 0.543; p = 0.001), TNM stage (r = 0.339; p = 0.035), presence of liver metastasis (r = 0.406; p = 0.004), presence of lung metastasis (r = 0.303; p = 0.036), presence of peritoneal carcinomatosis (r = 0.420; p = 0.003), and tumor markers AFP (r = 0.438; p = 0.002) and CEA (r = 0.308; p = 0.049).