Usually found in individuals over the age of 50 years,<unk> s affect men and women equally. The overall prevalence of<unk> s is less than 1% of the general population.<unk> s are the least common type of<unk>  polyps found in the colon, accounting for 5% of<unk>  colon polyps.
Traditional serrated adenoma
Sessile serrated lesion
Hyperplastic polyp
Inverted papilloma
Atypical adenomatous hyperplasia
Juvenile polyp
Carcinoma in situ
Ductal carcinoma in situ