The document discusses creating a sustainable medical service. It outlines some current unsustainable aspects of health systems like rising costs and uneven quality and access. It then describes features needed for sustainability, including building a digital infrastructure, standardizing quality and safety, strategically deploying resources based on patient needs, continuously innovating through technology and process changes, and having adaptable roles and structures. Hospitals will need to continue evolving to meet changing expectations, needs, technologies, and remain affordable. The future of hospitals is focused on being more patient-centered, specialized, preventative, and using technology while controlling costs.