Fig. 3From: Clinical efficacy of metformin in familial adenomatous polyposis and the effect of intestinal floraPolyps burden changes in Schematic diagram. Mean polyp load (indicated by horizontal line) in millimeters (mm). The two groups on the left indicate changes in polyp load in the descending duodenal region; the two groups on the right indicate changes in polyp load in the nanocarbon-labeled and postoperative residual regionsBack to article page