About one percent of polyps with a diameter less than one centimeter (cm) are cancerous. This illustration shows the actual size of a polyp with a diameter of 0.50 cm (0.20 inches). To learn more, please read Colon Polyps and Cancer Risk.
Polyp with a diameter of 0.50 centimeters
From Donna Myers, former About.com Guide
Updated: September 3, 2006
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
This gallery of polyp illustrations helps demonstrate why you can't always count on noticing that a polyp is present.
Small Colon Polyp (0.50 cm)
© Donna Myers 2006
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