title: Invited commentary.
authors.affiliation: Albert-Ludwigs-University of Freiburg, Freiburg, Germany. bernward.passlick@uniklinik-freiburg.de
authors.forename: Bernward
authors.initials: B
authors.lastname: Passlick
mesh_terms: D044963:Biopsy, Fine-Needle; D019160:Endosonography; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008198:Lymph Nodes / Q000473:pathology*; D008481:Mediastinoscopy; D009367:Neoplasm Staging; D055752:Small Cell Lung Carcinoma / Q000473:pathology*