Abstract Leucine-rich alpha 2 glycoprotein (LRG) is one of the serum biomarkers for disease activity of ulcerative colitis (UC). We focused on the correlation between the changes of LRG and the changes of endoscopic and histologic activity of UC. in comparison to the changes of fecal calprotectin (Fcal). fecal immunochemical test (FIT). https://www.sukrensi.com/