Sigmoidoscopy. Your medical doctor looks into your decreased colon with a flexible lighted tube named a sigmoidoscope. They may also make use of the tube to take some tissue for checks. Just about anything that places stress or pressure in your anus or rectum can cause the veins to dilate. https://hemorrhoid-flare-ups70368.qowap.com/88695480/the-best-side-of-hemorroids