title: Invited commentary.
authors.affiliation: Department of Thoracic Surgery, Pulmonary Hospital, Ul. Gładkie 1, 34 500 Zakopane, Poland. marcinz@mp.pl
authors.forename: Marcin
authors.initials: M
authors.lastname: Zieliński
mesh_terms: D002289:Carcinoma, Non-Small-Cell Lung / Q000556:secondary*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008479:Mediastinal Neoplasms / Q000556:secondary*; D008481:Mediastinoscopy / Q000379:methods*; D009367:Neoplasm Staging / Q000379:methods*; D014741:Video Recording