no significant relationship could be established to anyone of the following criteria for which the literature reports varying prognostic values : clinical staging of the disease , histological tumor type , grading , nuclear differentiation , round cell infiltration , perivenous infiltration , sinus histiocytosis , and lymph node reaction patterns ( lymphocyte predominance , germinal center predominance , lymphocyte depletion , unstimulated nodes ) .
C0024204
lymph node
C0282491
germinal center