Some intestinal polyps do not have obvious clinical symptoms and are only occasionally detected during physical examination or during the treatment of other diseases. The severity of intestinal polyps depends on the location, size, extent of involvement and pathological nature of the polyps in the large intestine. A polyp with a tip at the lower end of the rectum may prolapse out of the anus during defecation, bright red, round or cherry-shaped, and may return on its own after defecation. 3.