Diego González-Rivas1, Ramón Rami-Porta2. 1. Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China; Department of Thoracic Surgery and Minimally Invasive Thoracic Surgery Unit, Coruña Hospital, Coruña, Spain. Electronic address: diego.gonzalez.rivas@sergas.es. 2. Department of Thoracic Surgery, Hospital Universitari Mutua Terrassa, University of Barcelona, Terrassa, Spain; Network of Centers for Biomedical Research in Respiratory Diseases Lung Cancer Group, Terrassa, Spain.