title: Answers to 5 key questions on lung cancer.
abstract: This article reviews historical and physical exam findings suggestive of lung cancer, along with basic concepts pertaining to sputum cytology, bronchoscopy, needle biopsy, chest x-ray screening, and the management of solitary nodules.
authors.affiliation: Philadelphia VA Medical Center, Pulmonary and Critical Care Section, PA 19104, USA.
authors.forename: M L
authors.initials: ML
authors.lastname: Margolis
authors.forename: A
authors.initials: A
authors.lastname: Aronsky
mesh_terms: D001707:Biopsy, Needle; D001999:Bronchoscopy; D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000628:therapy; D010808:Physical Examination; D011859:Radiography; D013183:Sputum / Q000166:cytology