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Low dose spiral CT combined with selective use of PET scans can detect early lung cancer
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This non-randomised study of 1035 smokers (⩾20 pack years) evaluated screening using positron emission tomography (PET) in addition to spiral computed tomography (CT) to improve assessment of lesions. All patients had baseline CT and annual scans for 5 years. Calcified nodular lesions or non-calcified nodules (NCN) <5 mm were deemed …