title: Invited commentary.
authors.affiliation: Department of Surgery, Thoraxklinik am Universitaetsklinikum, Amalienstr. 5, Heidelberg, Germany 69126. joachim.pfannschmidt@thoraxklinik-heidelberg.de
authors.forename: Joachim
authors.initials: J
authors.lastname: Pfannschmidt
authors.forename: Hendrik
authors.initials: H
authors.lastname: Dienemann
mesh_terms: D000230:Adenocarcinoma / Q000556:secondary*; D015179:Colorectal Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary*; D008197:Lymph Node Excision / Q000379:methods*; D008297:Male; D011013:Pneumonectomy / Q000379:methods*