1 Lung Cancer Epidemiology 2 Risk Factors for Lung Cancer 3 Evolution of Lung Cancer Screening 4 Lung Cancer Screening Pros and Cons 5 Variable Imaging Presentations of Lung Cancer 6 Lung Cancer–Screening Results Reporting 7 Detection and Management of Unexpected Incidental Pulmonary and Nonpulmonary Findings 8 Elements of a Successful Lung Cancer–Screening Program 9 Future of Lung Cancer Screening 10 Test Cases: Applying Lung CT Screening Reporting and Data System (Lung-RADS)