<prompt> Incidence of malignancy is maximum in -Villous adenomaJuvenile polypsHyperplastic polypsTubular adenoma  <response>: Incidence of malignancy is maximum in villous adenoma ie upto 30-70 in comparison to Tubular adenoma 1-3Juvenile polyp hamartomatous polyp and Hyperplastic polyp are non-neoplastic epithelial tumors of intestine. There is no increased risk of malignancy.Tubular adenoma villous adenoma are benign neoplastic lesion, but have propensity to become malignant.Tubular adenoma also ka Adenomatous polypaccount for over 90 of colonic adenomas1-3 incidence of carcinomaAlthough the risk of cancer is small, the high frequency of these polyps in the population makes them the most important precancerous colonic lesions.Villous adenomaare uncommon, comprising less than 10 of colonic adenomashave a 30-70 incidence of carcinoma 