title: Invited Commentary.
authors.affiliation: Department of Thoracic Surgery, St. James's University Hospital, Bexley Wing, Beckett St, LS9 7TF, Leeds, United Kingdom. Electronic address: brunellialex@gmail.com.
authors.forename: Alessandro
authors.initials: A
authors.lastname: Brunelli
mesh_terms: D019160:Endosonography; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008198:Lymph Nodes / Q000000981:diagnostic imaging* / Q000473:pathology*; D008297:Male