title: Polyposis syndromes.
mesh_terms: D000236:Adenoma / Q000209:etiology / Q000517:prevention & control; D002648:Child; D003110:Colonic Neoplasms / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control; D006222:Hamartoma / Q000209:etiology; D006801:Humans; D007249:Inflammation / Q000473:pathology; D007417:Intestinal Polyps / Q000473:pathology; D008221:Lymphoid Tissue / Q000473:pathology; D009378:Neoplasms, Multiple Primary / Q000209:etiology / Q000517:prevention & control; D010580:Peutz-Jeghers Syndrome / Q000209:etiology; D012004:Rectal Neoplasms / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control; D013577:Syndrome