The US Preventive Service Task Force has issued its long-awaited guideline on lung cancer screening.
The independent group of experts is recommending annual screenings for at-risk adults who are 55 to 80 years old.
The task force defines "at-risk" as those who have smoked a pack or more of cigarettes per day for at least 30 years and currently smoke -- or have quit within the past 15 years.
The recommendation is for annual low-dose CT screening.
The imaging technology involves low doses of radiation but at-risk patients are advised to ask their doctors about the screenings.
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