Dr. Suparauk Geanphun from Division of Cardio-Thoracic Surgery, Department of Surgery, presented the poster on “Survival of Non-Small Cell Lung Cancer Patients With Unexpected N2 After Complete Resection: Should Aggressive Invasive Mediastinal Staging be encouraged?” at American Association for Thoracic Surgery (AATS) International Thoracic Surgical Oncology Summit 2018 in New York, USA on October 12th, 2018.