1. Cancer statistics, 2020;Siegel RL;CA Cancer J Clin,2020
2. SEER Cancer Statistics Review (CSR) 1975-2017. (2020). Accessed. March 15, 2021: https://seer.cancer.gov/archive/csr/1975_2017/.
3. Reduced lung-cancer mortality with low-dose computed tomographic screening;Aberle DR;N Engl J Med,2011
4. NELSON lung cancer screening study;Ru Zhao Y;Cancer Imaging,2011
5. Screening for Lung Cancer with Low Dose Computed Tomography (LDCT). (2014). Accessed. March 10, 2021: https://www.cms.gov/medicare-coverage-database/view/ncacal-decision-memo.aspx?proposed=N&NCAId=274.