“…Combination chemotherapy with CHOP (cyclophosphamide, doxorubicin, vincristine and prednisolone) is quite efficacious, while addition of intravenous rituximab (anti CD 20 monoclonal antibody) in the regimen helps in rapid remission with good results. 13,14 So, total or subtotal excision of the mass followed by radio-therapy and or chemotherapy has a better outcome in patients with large mass However, radiation exposure predisposes to the development of cataracts after 3 -8 years though The role of radiotherapy in DLCL is unclear. So, from the literature we can conclude that if CD20 is positive then R-CHOP is most efficacious but NHL without CD20 positive patients treatment should be initiated with CHOP regimen.…”