Sessile polyps are flat growths that develop in the colon or intestines. There are several types of sessile polyps. These include sessile serrated adenomas, villous adenomas, tubular adenomas, and ...

Sessile polyps develop on the mucosa, the tissue that lines the colon and other organs. They are flat and round and mostly harmless, but some can become cancerous. Polyps can be peduncled or sessile.

"Not all colon polyps are cancerous but all colon cancer starts as a polyp which is why everyone needs to know about them and be screened regularly for them," says Fola May, MD, a gastroenterologist ...