Immunotherapy is a type of medical treatment that helps the body's immune system fight diseases, such as cancer. It works by either stimulating the immune system to work harder or smarter, or by giving it components (such as man-made proteins) to directly attack cancer cells.
Patient has to stay in the hospital for 3 days and outside the hospital for 90 days.
As for success rate, it depends on many factors such as the type of cancer, the stage of the disease, and the patient's overall health.
