Anorectal Discomfort, pain, or bleeding during bowel movements is a common issue with multiple possible causes. What sets piles, anal fissures, and fistulas apart? Piles refer to swollen anorectal blood vessels, fissures are lining tears caused by strain, while fistulas are infected tracts between the anal channel and external skin. https://sites.google.com/view/drsunilbangera77/blog/what-is-the-difference-between-piles-fissure-and-fistula