Fig. 2. Representative images of immunohistochemical staining of small/low grade B-cell lymphomas. Tumor cells are positive for CD10 and Bcl-2 in follicular lymphoma, positive for CD5 and CD23 in chronic lymphocytic leukemia/small lymphocytic lymphoma, positive for cyclin D-1 and SOX11 in mantle cell lymphoma. Abbreviation: CLL/SLL, chronic lymphocytic leukemia/small lymphocytic lymphoma.