The<unk>  is a benign glandular tumor of the colon and the rectum. It is a precursor lesion of the<unk> rcinoma (colon cancer). They often manifest as<unk>  polyps.
Colorectal adenoma
Colorectal polyp
Anal dysplasia
Fibrosing colonopathy
Dukes' disease
Chemical colitis
Inflammatory bowel disease
Gastrointestinal intraepithelial neoplasia