Contact Person : Daniel Gan; Last Date for the submission of abstract : 30-Apr-2019; ATSOP is a collaborative effort between the Thoracic Surgical Unit, the Upper Gastrointestinal Surgical Unit, the Respiratory Medicine and Medical Oncology Departments of Tan Tock Seng Hospital. The faculty is composed of leading minimally invasive Vats and Robotic surgeons from all around the world