skos:definition |
NCI: A clonal neoplasm of small B-lymphocytes, lymphoplasmacytoid cells, and plasma cells involving the bone marrow, lymph nodes, and the spleen. The majority of patients have a serum IgM paraprotein.,NCI: An indolent (slow-growing) type of non-Hodgkin lymphoma marked by abnormal levels of IgM antibodies in the blood and an enlarged liver, spleen, or lymph nodes.,NCI: A malignant neoplasm composed of lymphocytes (B-cells), lymphoplasmacytoid cells, and plasma cells.
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