Retroperitoneal mesenteric root lymphoma can metastasize to all parts of the body. Lymphoma is one of the most common hematologic malignancies, and this tumor can spread with its own blood system as well as the lymphatic system to common sites throughout the body, and can be found in the liver, lungs, abdominal cavity, neck, armpits, groin, and central nervous system. The best treatment for this type of lymphoma is the ABVD and CHOP chemotherapy regimens. Cycles of chemotherapy are usually required in 4 to 6 courses. The use of chemotherapy drugs along with radiation therapy can be very effective in killing the lymphoma. Treatments such as bone marrow transplantation are also available. The patient can go to the hematology department or medical oncology department of the local hospital for consultation and consultation, and listen to the professional doctor’s opinion for treatment, and the above views are for reference only.