Roberto Ferrara1, Corrado Campochiaro2, Marina Chiara Garassino3. 1. Thoracic Oncology, Medical Department, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. 2. Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), San Raffaele Scientific Institute, Milan, Italy. 3. Thoracic Oncology, Medical Department, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. Electronic address: marina.garassino@gmail.com.