While cancer patients and their doctors focus on eradicating their disease, there is often another life-threatening health issue developing throughout the course of treatment. Cancer therapies such as chemotherapy, radiation and immunotherapy can each cause unique and serious damage to the heart. As cancer treatments advance and more patients survive the disease, cardio-oncologists at National Jewish Health focus on cancer patients’ heart health to ensure they remain strong enough to endure treatment and to monitor their increased risk for cardiac events for years to come.