1. Department of Thoracic Surgery, IEO European Institute of Oncology, IRCCS, Via Ripamonti 435, 20141 Milan, Italy
2. Department of Thoracic Oncology, IEO European Institute of Oncology, IRCCS, 20141 Milan, Italy
3. Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy