A CTVS surgeon is a Cardiothoracic and Vascular Surgeon. They are specialized medical professionals who perform surgical procedures related to the chest, heart, and blood vessels. CTVS surgeons diagnose and treat conditions such as heart disease, lung cancer, coronary artery disease, thoracic aortic aneurysms, and other disorders affecting the heart and blood vessels. They are skilled in performing various procedures such as heart bypass surgery, valve replacement, lung resection, and repairing complex cardiovascular defects.