Cardiothoracic Surgeons of Lancaster is an exclusive provider of cardiothoracic surgery to Lancaster General Hospital in Lancaster, Pa. The center is also one of the largest heart surgery practices in Pennsylvania. The cardiothoracic surgeons at the center are skilled in different aspects of cardiothoracic surgery, including coronary bypass, heart valve replacement and lung surgery. The center has the expertise in various complex operations, such as heart valve repair, surgery for abnormal heart rhythms, replacement of certain diseased heart valves with frozen human valves, surgery for cancer of the esophagus and upper stomach, surgery for aneurysms of the thoracic aorta, and correction of congenital chest wall deformities. The team at Cardiothoracic Surgeons of Lancaster is frequently invited to visit medical centers in the United States and overseas to teach and demonstrate cardiothoracic surgical techniques. Cardiothoracic Surgeons of Lancaster is headquartered in Lancaster, Pa.