<prompt> In Non-Hodgkins lymphoma early involvement of bone marrow is typical of which variety ?DiffuseNodularLymphocytic well differentiatedLymphocytic poorly differentiated  <response>: Ans. is b i.e., NodularBone marrow involvement occurs in 85 of patients of follicular nodular lymphoma and characteristically takes the form of paratrabecular lymphoid aggregates. 