Dr. Vijay Shankar Cardio Thoracic and Aortic Surgeon in chennai, Closed Heart Procedures, Oesophageal resection, brochoscopies, Cardio Thoracic and Aortic Surgeries, By Pass and Redo surgeries in By Pass, Valves etc., and Aneurysm surgeries, Coronary Artery By-Pass Surgery (CABG), heart Valve replacements, heart Valve repairs, heart Double and triple valve surgeries chennai, ASD and VSD closures, Repair of tetralogy of Fallot, Fontan's Procedure, Complex Congenital defect repairs, Palliative surgery - BT shunt, PA banding and PDA ligation, octor, Cardio Thoracic Surgeon, Aortic Surgeon, By Pass and Redo surgeries, Aneurysm surgeries, Heart Surgeon, Dr. Vijay Shankar, Apollo Hospitals, tamil nadu, india