A non-hodgkin lymphoma composed of monomorphic small, round b-lymphocytes in the lymph nodes. when the lymphoid process predominantly involves the bone marrow and the peripheral blood it is called chronic lymphocytic leukemia. (who, 2001) check for "https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/c7540" active clinical trials using this agent. ("http://ncit.nci.nih.gov/ncitbrowser/conceptreport.jsp?dictionary=nci%20thesaurus&code=c7540" nci thesaurus)