Figure 5. Typical appearance of a sessile serrated adenoma/polyp in the ascending colon. Arrows indicate the indistinct upper edge of this flat, pale lesion. Serrated polyps are common and have ...

Medically reviewed by Doru Paul, MD An adenomatous polyp, also known as an adenoma, is an abnormal growth of cells that forms on the colon's lining. These polyps are common, comprising around 70% of ...

It also helped detect more sessile serrated adenomas, which are flat precancerous growths on the colon. Professor Colin Rees, a consultant gastroenterologist at South Tyneside and Sunderland NHS ...