Your immune system recognizes foreign objects within your body. It is supposed to know when you are sick, whether is infection or malignancy. But cancer cells find a way to evade the immune system. At times, we have to find a way to turn this characteristic "off" and allow the immune system to do its job. I discuss that and more here. West Coast Lung - Rutland Medical Group Pulmonologist in Newport Beach, California Located in: Newport Superior Medical Plaza Address: 1501 Superior Ave #202, Newport Beach, CA 92663 Phone: (949) 333-0464 Appointments: westcoastlung.com