title: Changing concepts in polypoid diseases of the gastrointestinal tract: a tribute to Dr. Barton McSwain.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000293:Adolescent; D000328:Adult; D002648:Child; D003110:Colonic Neoplasms / Q000209:etiology / Q000235:genetics; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000235:genetics / Q000473:pathology*; D006801:Humans; D007223:Infant; D007417:Intestinal Polyps / Q000235:genetics / Q000473:pathology; D008875:Middle Aged; D010580:Peutz-Jeghers Syndrome / Q000473:pathology; D011127:Polyps / Q000473:pathology*; D012004:Rectal Neoplasms / Q000209:etiology