The Royal Brompton & Harefield Hospitals, part of Guy's and St Thomas' NHS Foundation Trust is a partnership of three specialist cardiac units, which are known throughout the world for their expertise, high standard of care and research success. The Royal Brompton and Harefield Hospitals exclusively provide treatment for people with heart and lung disease. This means the doctors, nurses and other healthcare staff are experts in their chosen field, and many move to the hospitals from throughout the UK, Europe and beyond, so they can develop their particular skills even further. As the largest provider of cardiothoracic surgery in the UK, it carries out some of the most complicated surgery, and offers some of the most sophisticated treatment that is available anywhere in the world - treating patients from all over the UK and around the globe.