Based on the available evidence, the US Preventive Services Task Force recommends screening people who are at high risk for lung cancer with annual low-dose CT scans, which can prevent a substantial number of lung cancer–related deaths. Smoking is the biggest risk factor for developing lung cancer, resulting in about 85 percent of lung cancers in the United States. The risk for developing lung cancer also increases with age, with most lung cancers occurring in people age 55 or older.
Pulmonologist and epidemiologist Peter Bach, MD, is available to discuss the research that led to these recommendations.
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