Colorectal Polyps
1. Neoplastic polyps Benign (adenoma) Tubular adenoma Tubulovillous adenoma Villous adenoma Malignant (carcinoma) Noninvasive carcinoma Carcinoma in situ Intramucosal carcinoma Invasive carcinoma (through muscularis mucosa) 2. Nonneoplastic polyps Hyperplastic polyp…