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Review
. 2019 Jan 22;85(1):8.
doi: 10.5334/aogh.2419.

Global Epidemiology of Lung Cancer

Julie A Barta  1 , Charles A Powell  2 , Juan P Wisnivesky  2   3
Affiliations
Review

Global Epidemiology of Lung Cancer

Julie A Barta et al. Ann Glob Health. .

Abstract

While lung cancer has been the leading cause of cancer-related deaths for many years in the United States, incidence and mortality statistics - among other measures - vary widely worldwide. The aim of this study was to review the evidence on lung cancer epidemiology, including data of international scope with comparisons of economically, socially, and biologically different patient groups. In industrialized nations, evolving social and cultural smoking patterns have led to rising or plateauing rates of lung cancer in women, lagging the long-declining smoking and cancer incidence rates in men. In contrast, emerging economies vary widely in smoking practices and cancer incidence but commonly also harbor risks from environmental exposures, particularly widespread air pollution. Recent research has also revealed clinical, radiologic, and pathologic correlates, leading to greater knowledge in molecular profiling and targeted therapeutics, as well as an emphasis on the rising incidence of adenocarcinoma histology. Furthermore, emergent evidence about the benefits of lung cancer screening has led to efforts to identify high-risk smokers and development of prediction tools. This review also includes a discussion on the epidemiologic characteristics of special groups including women and nonsmokers. Varying trends in smoking largely dictate international patterns in lung cancer incidence and mortality. With declining smoking rates in developed countries and knowledge gains made through molecular profiling of tumors, the emergence of new risk factors and disease features will lead to changes in the landscape of lung cancer epidemiology.

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Conflict of interest statement

The authors have no competing interests to declare.

Figures

Figure 1
Figure 1
Global lung cancer incidence and mortality. Global age-standardized incidence and mortality rates for lung cancer, 20 countries with the highest rates internationally. Reproduced from GLOBOCAN 2012 data with permission.
Figure 2
Figure 2
Frequencies of common driver mutations in lung adenocarcinoma in the US and Europe. By overall frequency (A) and population group (B). Data are derived from large clinicopathologic cohort studies published since 2008 and are representative of US and European populations.
See this image and copyright information in PMC

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