Gastric mucosa-associated lymphoid tissue lymphoma: a challenge for endoscopy.
D005773:Gastroscopy; D016481:Helicobacter Infections / Q000150:complications; D016480:Helicobacter pylori; D006801:Humans; D018442:Lymphoma, B-Cell, Marginal Zone / Q000473:pathology*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*