title: Study shows CT scans can reduce lung cancer deaths in smokers.
mesh_terms: D000368:Aged; D015984:Causality; D015897:Comorbidity; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000401:mortality*; D008297:Male; D008403:Mass Screening / Q000706:statistics & numerical data*; D008875:Middle Aged; D017063:Outcome Assessment, Health Care; D011379:Prognosis; D018570:Risk Assessment / Q000706:statistics & numerical data; D012907:Smoking / Q000401:mortality*; D014057:Tomography, X-Ray Computed / Q000706:statistics & numerical data*; D014481:United States