title: Invited commentary.
authors.affiliation: Department of Thoracic Surgery, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg, 1 place de l'Hôpital, BP 426, 67091 Strasbourg Cedex, France. pierre-emmanuel.falcoz@wanadoo.fr
authors.forename: Pierre-Emmanuel
authors.initials: PE
authors.lastname: Falcoz
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D013945:Thymoma / Q000453:epidemiology*; D013953:Thymus Neoplasms / Q000453:epidemiology*