The body’s immune system is a powerful force, protecting us against infection, illness and disease. But sometimes, those protections break down, allowing cancer to form and grow. In one of the most exciting areas of cancer treatment, doctors are discovering more and more about how to harness the immune system’s power to recognize and fight cancer. In this episode of Focus on Cancer, Pat Basu, MD, MBA, President & CEO of Cancer Treatment Centers of America® (CTCA), and his guest, Ankur Parikh, DO, Director of the Precision Medical Program at CTCA, discuss the past, present and promising future of immunotherapy.