title: Editorial comment.
authors.affiliation: Department of General Thoracic Surgery, University of Virginia, Charlottesville, Va. Electronic address: BDK8G@hscmail.mcc.virginia.edu.
authors.forename: Benjamin D
authors.initials: BD
authors.lastname: Kozower
mesh_terms: D002983:Clinical Competence; D005260:Female; D061847:Hospitals, High-Volume / Q000639:trends*; D061846:Hospitals, Low-Volume / Q000639:trends*; D006801:Humans; D008175:Lung Neoplasms / Q000601:surgery*; D008297:Male; D011013:Pneumonectomy / Q000401:mortality* / Q000639:trends*; D019984:Quality Indicators, Health Care / Q000639:trends*