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CONTEXT Many diffuse large B-cell lymphomas (DLBCLs) of the stomach are believed to represent high-grade transformation of low-grade marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue(More)
BACKGROUND The Bcl-6 gene product, a nuclear phosphoprotein, is expressed independently of Bcl-6 gene rearrangement. In lymph nodes, expression of Bcl-6 protein is restricted to germinal center (GC)(More)