title: Nomenclature problems of gastrointestinal epithelial neoplasia.
authors.forename: K J
authors.initials: KJ
authors.lastname: Lewin
mesh_terms: D000236:Adenoma / Q000473:pathology*; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D009375:Neoplasms, Glandular and Epithelial / Q000473:pathology*; D011230:Precancerous Conditions / Q000473:pathology*; D009626:Terminology as Topic