How does regular intestinal bleeding return a responsibility

Hemorrhoids is a common type of anal and rectal disease, which may be caused by varicose veins or dilatation of the

rectum or its surroundings. Hemorrhoids are enlarged or accompanied by inflammatory changes, which can easily cause bleeding during defecation.

3

. Intestinal

tumors mainly include colon cancer and rectal cancer

. The etiology is unclear, which may be caused by the interaction of