Low-dose computed tomography (LDCT) is one method used to screen high-risk individuals for lung cancer. 
References
editGutierrez A, Suh R, Abtin F, Genshaft S, Brown K (June 2013). "Lung Cancer Screening". Semin Intervent Radiol. 30 (2): 114–120. doi:10.1055/s-0033-1342951. PMC 3709936. PMID 24436526.{{cite journal}}: CS1 maint: date and year (link) CS1 maint: multiple names: authors list (link)