title: Invited commentary.
authors.affiliation: Division of Thoracic Surgery, The Johns Hopkins Medical Institutions, Baltimore, MD21287, USA.
authors.forename: Stephen C
authors.initials: SC
authors.lastname: Yang
mesh_terms: D000367:Age Factors; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000601:surgery*; D009017:Morbidity / Q000639:trends; D011013:Pneumonectomy / Q000009:adverse effects / Q000401:mortality*; D012307:Risk Factors; D015996:Survival Rate / Q000639:trends; D014481:United States / Q000453:epidemiology