Abstract:Gastrointestinal lymphoma has a better prognosis than primary adenocarcinoma and responds well to chemotherapy if diagnosed correctly and promptly. WHO classification (2016) for this heterogeneous group of diseases has emphasized the role of immunohistochemistry and molecular biology. Determining the origin of tumor cells as B-lymphocytes or T-lymphocytes, in the marginal zone, mantle zone, or germinal center regions by identifying specific immune phenotypes by immunohistochemical techniques is an advanced met… Show more
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