Patients with gastric MALT lymphoma treated at our center between October 2006 and September 2020 and who received eradication therapy as frontline treatment were included in this study. Patients who received any other frontline treatment and lost follow-up cases were excluded. Treatment outcomes for all 137 cases were examined according to API2-MALT1 mutation and Hp infection status. Subsequently, in cases negative for both API2-MALT1 and Hp infection, the impact of the gene expression profile on response to eradication therapy was analyzed.
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