Immunotherapy also called biologic therapy, is a type of cancer treatment that boosts the body's natural defenses to fight cancer. Cancer immunotherapy (CI) is recently advancing at a rapid pace and can be considered as the “fifth pillar” of cancer treatment, joining the ranks of radiation, cytotoxic chemotherapy, surgery, and targeted therapy. Cancer immunotherapy has sparked interest in involving antibodies to inhibitory immune checkpoint molecules. Lymphocyte Activation Gene 3 (LAG 3) is highly expressed in various types of tumor-infiltrating lymphocytes (TILs) and participates in the immune escape mechanism of tumors. Therefore, LAG 3 Immunotherapy can be used as ...