One pack-year is the equivalent of smoking an average of 20 cigarettes-1 pack-per day for a year. A pack-year is a way of calculating how much a person has smoked in their lifetime.Assess risk based on age and pack-year smoking history: Is the person aged 50 to 80 years and have they accumulated 20 pack-years or more of smoking?.It expanded the age range to 50 to 80 years (previously 55 to 80 years), and reduced the pack-year history to 20 pack-years of smoking (previously 30 pack-years). The USPSTF has revised the recommended ages and pack-years for lung cancer screening. Stop screening once a person has not smoked for 15 years or has a health problem that limits life expectancy or the ability to have lung surgery.Īdults aged 50 to 80 years who have a 20 pack-year smoking history and currently smoke or have quit within the past 15 years.Screen for lung cancer with low-dose computed tomography (CT) every year.Adults aged 50 to 80 years who have a 20 pack-year smoking history and currently smoke or have quit within the past 15 years:
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