Lymphoproliferative Disorders [Disease/Finding] Waldenstrom Macroglobulinemia [Disease/Finding] N0000001915 Lymphoma, Lymphocytic, Plasmacytoid 190817009 C0024419 Waldenstrom's Macroglobulinemia C4008 Waldenstrom Macroglobulinemia Waldenstrom Macroglobulinemia Lymphoma, Lymphoplasmacytoid D008258 Primary Macroglobulinemia Waldenstrom's Macroglobulinaemia A lymphoproliferative disorder characterized by pleomorphic B-LYMPHOCYTES including PLASMA CELLS, with increased levels of monoclonal serum IMMUNOGLOBULIN M. There is lymphoplasmacytic cells infiltration into bone marrow and often other tissues, also known as lymphoplasmacytic lymphoma. Clinical features include ANEMIA; HEMORRHAGES; and hyperviscosity. 1022377 190818004 Macroglobulinemia M0012865 Paraproteinemias [Disease/Finding] Hemostatic Disorders [Disease/Finding] Neoplasms, Plasma Cell [Disease/Finding]