colon polypListen to pronunciation(KOH-lun PAH-lip)An abnormal growth of tissue in the lining of the bowel. Polyps are a risk factor for colon cancer.Enlarge this image in new windowPolyps in the colon. Some polyps have a stalk and others do not. Inset shows a photo of a polyp with a stalk.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#