Rectal Pain, bleeding, itching, or discomfort during bowel movements can have several underlying causes. What sets piles, anal fissures, and fistulas apart? In simple terms, piles involve inflamed veins, a fissure is a painful crack or tear in the lining, and a fistula is an abnormal passage connecting the anal https://www.diigo.com/item/note/bvkuw/t34e?k=89a9b26eeb6a13b3f56355ece3676d49