Invasive mediastinal staging is irrelevant for PET/CT positive N2 lung cancer if the primary tumour and ipsilateral lymph nodes are resectable. Issue 9 (September 2015) - Lim, Eric; McElnay, Philip J; Rocco, Gaetano; Brunelli, Alessandro; Massard, Gilbert; Toker, Alper; Passlick, Bernward; Varela, Gonzalo; Weder, Walter