title: An abnormal rectal flat lesion.
authors: Digestive Endoscopy Unit, Catholic University, Largo A. Gemelli 8, 00168, Rome, Italy.
authors: L
authors: L
authors: Petruzziello
authors: C
authors: C
authors: Spada
authors: A
authors: A
authors: Crucitti
authors: P
authors: P
authors: Familiari
authors: G
authors: G
authors: Costamagna
mesh_terms: D000368:Aged; D002828:Choristoma / Q000473:pathology*; D005753:Gastric Mucosa; D006801:Humans; D008297:Male; D011351:Proctoscopy; D012002:Rectal Diseases / Q000473:pathology*