Rappaport Classification

Low-Grade
Small lymphocytic,  consistent                              Diffuse lymphocytic,
with chronic lymphocytic leukemia                       well-differentiated

Follicular,  predominantly                                     Nodular lymphocytic,
small cleaved cell                                                 poorly differentiated

Follicular mixed,  small cleaved                             Nodular mixed,  Lymphocytic
and large cell                                                       and histiocytic

Intermediate-Grade
Follicular,  premominantly large cell                       Nobular histiocytic