peripheral blood from 121 consecutive adult patients with b-cell chronic lymphocytic leukemia ( b-cll ) was immunophenotyped , and three groups with differing surface immunoglobulin ( sig ) expression patterns were identified : group a , 82 patients ( 68 % ) with weak sig expression in greater than 20 % of the circulating lymphocytes ;
C0023434
b-cell chronic
C0024264
lymphocytes