How is benign lymph node caused?

Lymph nodes are immune organs of the human body. Under normal circumstances, lymph nodes cannot be touched. Lymph node enlargement may be benign or malignant. If it is diagnosed as benign lymph nodes, the cause of lymph node enlargement may be inflammatory infection, viral bacteria and other microbial infections. If there is acute and chronic leukemia or seropathy, lymph node enlargement can also be caused.