title: Invited commentary.
authors.affiliation: Department of Medicine, University of Chicago, 5841 S Maryland Ave, MC 6076, Chicago, IL60637. Electronic address: smurgu@medicine.bsd.uchicago.edu.
authors.forename: Septimiu
authors.initials: S
authors.lastname: Murgu
mesh_terms: D001999:Bronchoscopy; D002289:Carcinoma, Non-Small-Cell Lung / Q000175:diagnosis*; D019160:Endosonography / Q000379:methods*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D009367:Neoplasm Staging / Q000379:methods*; D049268:Positron-Emission Tomography / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*