G Zalcman1, S Brosseau2, A Scherpereel3. 1. Department of Thoracic Oncology, Centre d'Investigation Clinique 1425, Hospital Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, Paris-Diderot University, Paris, France. Electronic address: gerard.zalcman@aphp.fr. 2. Department of Thoracic Oncology, Centre d'Investigation Clinique 1425, Hospital Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, Paris-Diderot University, Paris, France. 3. Pulmonary and Thoracic Oncology Department, Centre Hospitalier Universitaire Lille, University of Lille, Lille, France.