Persistent lymphocytic leukemia (CLL) is often a lymphoid malignancy characterised by the proliferation and accumulation of experienced CD5+ B cells during the blood, bone marrow and lymphoid tissues. The prognosis of CLL calls for the presence of ≥five x109/L mono - clonal B cells of normal phenotype in the blood. https://indiraf085wel2.smblogsites.com/profile