LPL and nodal marginal zone B-cell lymphoma: First, it would help to better define the diagnostic borders between NMZL and other closely related entities like “Bcl2-negative” FL, LPL, MZL of mucosa-associated lymphoid tissue (MALT), SMZL (in all of them recurrent mutations have already been identified [2]) as well as between NMZL and unclassifiable small B-cell lymphomas (SBCL, U) [2].