[Definition, concept and classification of gastrointestinal polyps and polyposis].
D006801:Humans; D006965:Hyperplasia; D007417:Intestinal Polyps / Q000145:classification / Q000235:genetics / Q000473:pathology*; D007420:Intestine, Large; D011127:Polyps / Q000145:classification / Q000235:genetics / Q000473:pathology*; D013274:Stomach Neoplasms / Q000145:classification / Q000235:genetics / Q000473:pathology*; D009626:Terminology as Topic