RT Journal Article SR Electronic T1 Mediastinal staging by videomediastinoscopy in clinical N1 non-small cell lung cancer JF Breathe JO Breathe FD European Respiratory Society SP 342 OP 344 DO 10.1183/20734735.027118 VO 14 IS 4 A1 Clementine Bostantzoglou A1 Marianthi Iliopoulou A1 Georgia Hardavella YR 2018 UL http://breathe.ersjournals.com/content/14/4/342.abstract AB