Is invasive mediastinal staging necessary in intermediate risk patients with negative PET/CT? - Boada, Marc; Sánchez-Lorente, David; Libreros, Alejandra; Lucena, Carmen M.; Marrades, Ramón; Sánchez, Marcelo; Paredes, Pilar; Serrano, Mario; Guirao, Angela; Guzmán, Rudith; Viñolas, Núria; Casas, Francesc; et al. (Journal of Thoracic Disease, 2020)