title: Invited commentary.
authors.affiliation: Department of Surgery, Thoraxklinik am Universitaetsklinikum, Amalienstr 5, 69126 Heidelberg, Germany. joachim.pfannschmidt@thoraxklinik-heidelberg.de
authors.forename: Joachim
authors.initials: J
authors.lastname: Pfannschmidt
mesh_terms: D015179:Colorectal Neoplasms / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary* / Q000601:surgery*; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology; D011013:Pneumonectomy