<prompt> Answer this question truthfullyWhat is the relationship between small lymphocytic lymphoma SLL and chronic lymphocytic leukemia CLL, and what are their common characteristics?  <response>: <reason> Small lymphocytic lymphoma SLL is essentially the same disease as chronic lymphocytic leukemia CLL, as both have B-cells CD5, CD20 and SLL stays in the lymph node therefore, peripheral lymphocytes is low, 5000. 