Colonic Polyps: A. Histologic section of inflammatory polyp (H&E 10X). B. Immunostain showing D2-40-positive lymphatic vessels within the lamina propria (D2-40 10X). C. Histologic section of adenomatous polyp (H&E 20X). D. Immunostain showing D2-40-positive lymphatic vessels within the lamina propria (D2-40 20X). E. Histologic section of hyperplastic polyp (H&E 10X). F. Immunostain showing D2-40-positive lymphatic vessels within the lamina propria (D2-40 10X).