The purpose of this protocol is to collect blood, tissue (bone marrow and lymph node biopsies) and/or imaging studies (PET and CT scans) from patients with monoclonal B cell lymphocytosis (MBL) chronic lymphocytic leukemia/small lymphoma (CLL/SLL), lymphoplasmacytic lymphoma (LPL)/Waldenstr(SqrRoot)(Delta)m macroglobulinemia (WM), and splenic marginal zone lymphoma (SMZL).