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The aim of this study was to investigate whether patients with lung cancer in Appalachian Kentucky are more likely to develop multiple primary cancers than patients in non-Appalachian Kentucky. Additional analyses were conducted to identify other factors that may be associated with an increased hazard of developing multiple primary cancers in patients with lung cancer.

Development of Multiple Primary Cancers in Lung Cancer Patients: Appalachian Versus Non-Appalachian Populations of Kentucky