title: Invited Commentary.
authors.affiliation: Division of Thoracic Surgery, Stanford University School of Medicine, Falk Bldg, 300 Pasteur Dr, Stanford, CA94305. Electronic address: shrager@stanford.edu.
authors.forename: Joseph
authors.initials: J
authors.lastname: Shrager
mesh_terms: D001992:Bronchoalveolar Lavage Fluid / Q000166:cytology*; D002289:Carcinoma, Non-Small-Cell Lung / Q000401:mortality / Q000473:pathology* / Q000601:surgery*; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D007430:Intraoperative Care; D008175:Lung Neoplasms / Q000401:mortality / Q000473:pathology* / Q000601:surgery*; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000401:mortality / Q000473:pathology*; D011182:Postoperative Care; D011237:Predictive Value of Tests; D011379:Prognosis; D016019:Survival Analysis