Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 35 3-4 1997 12 15 87 89 Gh. Derakhshan Deylami M.R. Zahedpoor Anaraki H. Ghanaatti 2015 09 28 3000 patients, having undergone fiber - optic bronchoscopy (FOli) over 10 years, in our Hospital were evaluated. Thec aim of this study was to determine the prevalence of lung cancer in Iran and their correlation with somking and to study the clinical anil radiological signs in different cancers ami the role of fiber-optic bronchoscopy in their diagnosis and the hazards of this method, 'llxe correlation between smoking and the signs and symptoms wax quite significant (p https://acta.tums.ac.ir/index.php/acta/article/view/1727 https://acta.tums.ac.ir/index.php/acta/article/download/1727/1720