Waldenstrom macroglobulinemia (WM) is a subset of lymphoplasmacytic lymphoma and is categorized under mature B-cell lymphoid neoplasm. This lymphoproliferative disorder is characterized by infiltration of the bone marrow by a clonal lymphoplasmacytic infiltrate (≥10%) and an IgM monoclonal gammopathy. WM infiltrate comprises B–lineage cells with predominance of small lymphocytes,...