Polyps are bits of extra cells that can grow in many of your tissues. Gastric polyps, or stomach polyps, are growths that develop in the lining of your stomach. In many cases, these polyps cause no ...

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.

You may need to remove nasal polyps if they’re large enough to interfere with your quality of life. Surgery, called nasal polypectomy, is the standard procedure used. Nasal polyps refer to small ...