Lung carcinoma in African Americans

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Lung carcinoma is the most commonly diagnosed cancer and the leading cause of cancer deaths in the US. It accounts for 12% of all cancers diagnosed worldwide, making it the most common malignancy, other than nonmelanoma skin cancer. A new focus has emerged involving the role of race and ethnicity in lung carcinoma. Current health statistics data demonstrate striking disparities, which are most evident between African American patients and their white counterparts. This disparity is greatest among male patients, where statistically significant differences are seen not only in lung cancer incidence and risk, but also in survival and treatment outcomes. Several hypotheses that attempt to explain this disparity include genetic, cultural and socioeconomic differences, in addition to differences in tobacco use and exposure. Current evidence does not clearly identify the reasons for this observed disparity, or the role the aforementioned factors play in the development and overall outcomes of people with lung cancer in these populations. This disease continues to pose a considerable public health burden and more research is needed to improve understanding of the disparity of lung carcinoma statistics among African Americans. This review summarizes the existing body of knowledge regarding lung carcinoma in African Americans and attempts to identify promising areas for future investigation and intervention.

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