a CLL composed of small CLL typical lymphocytes with coarse chromatin, prolymphocytes, and paraimmunoblasts. H&E. ×600. b Immunophenotyping showing an abnormal B-cell (light blue) population expressing CD20^W, CD5+, CD23+, CD43+, CD79b^W, CD200+, with light chain λ restriction. Color refers to the online version only.