Stage IV lymphoma can live for 1~2 years after active treatment, but the survival period is only about 6 months if treatment is abandoned. Most of stage IV lymphoma belongs to advanced stage, at this time, the cancer cells have already appeared the metastatic spread of distal organs and lymph nodes, and the condition is relatively more serious, if no treatment is given, the survival period of the patients is shorter, generally about 6 months afterward, and the survival period of patients with high malignancy will be even shorter, may only be 1~2 months. But if you can actively take treatment, take radiotherapy, chemotherapy, palliative surgery and targeted therapy and other integrated treatment, is also able to prolong the patient’s survival, will extend the life to 1 ~ 2 years, but the specific still need the type as well as the effect of treatment.