the more risk for it to become cancerous Villous Adenoma/ Tubulovillous Adenoma Commonly sessile in shape; High risk of ...

Such adenomas are extremely common, occurring with about 20 per cent of all cancers of the colon and rectum, and are usually located near the cancer. Often, an adenomatous polyp in the rectum is a ...

In 47/101 patients (47%), the advanced adenoma was found in the proximal colon. Of all advanced adenomas ... 28% (n = 28) had villous histology and 5% (n = 5) had high grade dysplasia.