MALT lymphoma is a form of non-Hodgkin lymphoma involving the mucosa-associated lymphoid tissue , frequently of the stomach, but virtually any mucosal site can be afflicted. It is a cancer originating from B cells in the marginal zone of the MALT. Gastric MALT lymphoma is frequently associated with chronic inflammation as a result of the presence of Helicobacter pylori. The initial diagnosis is made by biopsy of suspicious lesions on...