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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

monoclonal B-cell lymphocytosis  listen  (MAH-noh-KLOH-nul B-sel LIM-foh-sy-TOH-sis)

  A condition in which a higher-than-normal number of identical B cells are found in the blood. People with monoclonal B-cell lymphocytosis may develop other B-cell diseases, such as chronic lymphocytic leukemia (CLL). Also called MBL.