title: Invited commentary.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, Jean Minjoz Hospital, Boulevard Fleming, Besançon 25000, France. pierre-emmanuel.falcoz@wanadoo.fr
authors.forename: Pierre-Emmanuel
authors.initials: PE
authors.lastname: Falcoz
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery*; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery*; D009664:Norway / Q000453:epidemiology