Fig. 3
From: Current applications of molecular pathology in colorectal carcinoma
Neoplastic changes in hamartomatous polyps. a Intramucosal carcinoma (yellow arrows) arising in a Peutz-Jegher’s polyp showing arborizing smooth muscle proliferation covered by hyperplastic colonic epithelium (original magnification 20X); b Low-grade dysplasia (blue arrows) arising in a juvenile polyp showing inflamed stroma and dilated glands (original magnification 20X)