title: The MALT lymphoma concept updated.
authors.forename: P G
authors.initials: PG
authors.lastname: Isaacson
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000209:etiology* / Q000473:pathology; D016481:Helicobacter Infections / Q000473:pathology; D016480:Helicobacter pylori; D006801:Humans; D018442:Lymphoma, B-Cell, Marginal Zone / Q000209:etiology* / Q000473:pathology