Add to ORKGMalignant lymphoma and other lymphoproliferative disorders represent a group of malignant hemopathies where immunotherapy has allowed spectacular progresses over the last ten years. The recent W.H.O. classification, based upon tumor immunology, and cytogenetical anomalies, allows a better identification of each lymphoma and the comparison of homogeneous populations within various clinical studies. The increase in the incidence of non-Hodgkin lymphoma is related to the aging of the population as well as to other factors that are still to be analysed - a real challenge for the future. We have tried to offer an overview of the latest therapeutical advances while focusing on the major role of general practitioner. The most frequency askeed ques...