Cancer that grossly appears sessile and ulcerated but that microscopically presents evidence that it has arisen from a polyp. According to Swinton and Warren, 1 and to Bacon, Laurens and Peale ...

In general terms, colorectal polyps that are 10 mm (1 cm) or bigger in diameter are considered to have a higher risk of ...

Sessile serrated polyps and traditional serrated adenomas: These have a higher risk of being cancerous. Sessile are broad and ...

It is possible that hyperplastic polyps, SSA/Ps and TSAs, are divergent pathways from inception. Figure 5. Typical appearance of a sessile serrated adenoma/polyp in the ascending colon.

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 ...