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Background
We have previously reported that eradication therapy was more effective against Helicobacter pylori (Hp)‐negative gastric mucosa‐associated lymphoid tissue (MALT) lymphoma in non‐Helicobacter pylori Helicobacter (NHPH)‐positive cases than in NHPH‐negative cases and that the infection status of NHPH could be a predictive marker for the efficacy of eradication therapy for H. pylori negative...