title: Invited commentary.
authors.affiliation: Department of Thoracic Surgery, European Institute of Oncology, University of Milan, Milan, Italy. lorenzo.spaggiari@ieo.it
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Spaggiari
mesh_terms: D002289:Carcinoma, Non-Small-Cell Lung / Q000401:mortality* / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality* / Q000473:pathology / Q000601:surgery*; D009367:Neoplasm Staging; D016019:Survival Analysis; D019616:Thoracic Surgical Procedures / Q000639:trends*