chronic lymphocytic leukemia/small lymphocytic lymphoma https://www.malacards.org/card/chronic_lymphocytic_leukemia_small_lymphocytic_lymphoma MONDO:0003864 GARD:0023704 chronic lymphocytic leukemia/small lymphocytic lymphoma (morphologic abnormality) An indolent, mature B-cell neoplasm composed of small, round B-lymphocytes. When the bone marrow and peripheral blood are involved, the term chronic lymphocytic leukemia is used. The term small lymphocytic lymphoma is restricted to cases which do not show leukemic involvement of the bone marrow and peripheral blood. chronic lymphocytic leukemia/small lymphocytic lymphoma ICDO:9823/3 CLL/SLL NCIT:C27911 DOID:6354 UMLS:C1302547 MEDGEN:224906 ONCOTREE:CLLSLL B-cell chronic lymphocytic leukemia