Psycho-oncology integrates research and clinical wisdom across multiple disciplines—including oncology, psychiatry, psychology, surgery, radiotherapy and palliative care, among others—in the service of educating oncologists, physicians, psychiatrists and other mental health care providers, and hospital chaplains about the psychological and psychosocial challenges faced by patients with neoplastic disorders. As cancer treatment has improved, the number of patients deemed “cancer survivors” has grown, along with their more complex, long-term mental health issues.