title: Upper Lobe or Upper Division Bronchus.
authors.affiliation: Department of Internal Medicine, Nation Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan. Electronic address: ltkeng@gmail.com.
authors.forename: Li-Ta
authors.initials: LT
authors.lastname: Keng
mesh_terms: D006801:Humans; D015619:Respiratory System Abnormalities / Q000175:diagnosis* / Q000453:epidemiology*