Table 2.

Recommendations for the number of biopsy specimens to be taken and the optimal location for biopsy collection.

Source	Number of Biopsy Specimen and Collection Site
UEG and EMCG 2021 guidelines [7]	A collection of multiple biopsies from the left and right colon.
ASGE 2013 guidelines [73]	A total of two biopsies should be collected from each colonic segment, including the ascending colon, transverse colon, descending colon, and sigmoid colon.
Malik et al. [74]	Three biopsies should be taken from the ascending colon and three from the descending colon.

ASGE: American Society of Gastroenterology; UEG and EMCG: United European Gastroenterology and European Microscopic Colitis Group.