marginal zone lymphoma
a heterogeneous group of neoplasms originating from the B-cell–rich zones of the lymph nodes, spleen, or extranodal lymphoid tissue. Those tumors originating from mucosa-associated lymphoid tissue (MALT), most often in the stomach, intestines, salivary glands, and lungs, are called MALTomas.
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Examples: glitazone, GI cocktail, etc.