<qa>  What type of lymphoid tissue subtype of MALT may have relapsed- Patients must have a diagnosis of one of the following B-NHL malignancies: chronic lymphocytic leukemia CLL small lymphocytic lymphoma SLL, follicular lymphoma FL, mantle cell lymphoma MCL, marginal zone lymphoma MZL, or Waldenstrom macroglobulinemia WM lymphoplasmacytic lymphoma LPL; patients with mucosa associated lymphoid tissue MALT subtype of MZL may have relapsed or refractory disease after a course of antibiotic therapy; otherwise, patients will not have received systemic treatment for their B-NHL before the time of study enrollment 