Opdyta 40mg Injection consists of the active substance Nivolumab. It is indicated to treat cancers of the skin, lungs, kidney, lymph node, bladder, esophagus, and urinary tract. This medicine is indicated when the cancer has recurred after treatment using medicines, surgery, and radiation. It is a medication that helps the immune system fight cancer more effectively. It works by targeting and inhibiting specific molecules that can suppress or weaken the immune system's ability to recognize and attack cancer cells. By blocking these molecules, it helps to enhance the immune response against cancer and potentially shrink or slow the growth of tumors.