The primary test used to detect lung cancer is a low-dose CT scan. The goal of screening for lung cancer is to identify any cancer detected at an early stage so that it can be treated. Most screening programs focus on early detection and early treatment. Many lung cancer deaths can be prevented by screening high-risk individuals.
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Important Information
Annual lung cancer screenings do have potential risks. Annual CT scans are recommended for people identified by their physician as high risk for lung cancer. Even though it is a low-dose CT scan, the patient is exposed to radiation every time a scan is conducted. This can be harmful due to repeated radiation exposure, which can cause cancer in otherwise healthy people. The test can also suggest that a person has lung cancer when there may be no cancer present. Lung cancer screenings can lead to follow-up tests or procedures that aren't needed, which may have their own risks. People at high risk for lung cancer who have other health problems may choose not to be screened because the risks may outweigh the potential benefits. Please consult your doctor or primary care provider about the potential benefits and risks associated with lung cancer screenings.