<prompt> Which of the following statements on lymphoma is not True?A single classification system of Hodgkins disease is almost universally acceptedHD tends to remain localized to a single group of lymph nodes and spreads by contiguitySeveral types of Non-Hodgkins lymphoma may have a leukemic phaseIn general follicular NHL has worse prognosis compared to diffuse NHL  <response>: Ans. is d i.e., In general follicular NHL has worse prognosis compared to diffuse NHL o Multiple classification system exist for Non-Hodgkins lymphoma.o The prognosis of Non-Hodgkins lymphoma varies markedly with various histological types of Non Hodgkins lymphoma, In general lymphomas with a follicular histological pattern are of lower grade longer survival than those ofdiffuse pattern.Clinical difference between Hodgkins and Non Hodgkins LymphomaHodgkins lymphomaHon Hodgkins lymphomao More often localized to a single axial group of cervical mediastinal, para-aortic nodes.o Orderly spread by contiguityo More frequent involvement of multiple peripheral nodeso Waldeyer ring and mesenteric nodes commonly involvedo Mesenteric nodes and Waldeyerring rarely involvedo Extra-nodal involvement uncommono Extranodal involvement common 