30. Polyps. Which statement is TRUE? P523-529A. Hyperplastic polyps are the most common benign epithelial neoplasms in the stomach. However, affected individuals are at increased risk of developing gastriccarcinoma due to the presence of underlying atrophic gastritis.B. Most duodenal polyps are adenomatous, and these are capable of undergoing malignant degeneration.C. Villous tumors in the stomach and duodenum are associated with an even higher risk of malignant change than villous tumors in the colon.D. All of the above.