Genetics of lung cancer susceptibility and COPD RP Young, RJ Hopkins, C Etzel, R El-Zein The Lancet Oncology Volume 12, Issue 7, Pages 622-623 (July 2011) DOI: 10.1016/S1470-2045(11)70169-3 Copyright © 2011 Elsevier Ltd Terms and Conditions
Figure Overlap of chronic obstructive pulmonary disease and lung cancer in smokers In epidemiology studies of chronic smokers, spirometric testing shows that about 20% have chronic obstructive pulmonary disease (COPD).3 This approach gives three groups of chronic smokers for comparison: those with normal lung function, COPD, and lung cancer. Lung cancer cases are further subdivided according to COPD phenotype.3 The Lancet Oncology 2011 12, 622-623DOI: (10.1016/S1470-2045(11)70169-3) Copyright © 2011 Elsevier Ltd Terms and Conditions