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What is low-dose helical CT screening?

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It's a screening test for people at high risk of lung cancer. That includes smokers and former smokers ages 55 to 74 who have smoked for 30 pack-years or more and either continue to smoke or have quit within the past 15 years. A pack-year is the number of cigarette packs smoked each day multiplied by the number of years you've smoked. While research shows CT screening lowers the chance of death overall, you could have a false alarm that requires more testing.

From: Lung Cancer Diagnosis WebMD Medical Reference

SOURCES: National Cancer Institute.  National Institutes of Health. WebMD Medical Reference: "Section 12 VIII Lung Cancer." American Cancer Society. American Lung Association.




Reviewed by Laura J. Martin on March 04, 2018

SOURCES: National Cancer Institute.  National Institutes of Health. WebMD Medical Reference: "Section 12 VIII Lung Cancer." American Cancer Society. American Lung Association.




Reviewed by Laura J. Martin on March 04, 2018

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