Lungs Cancer

Screening

Screening tests may help doctors find and treat cancer early. They have been shown to be very helpful in some cancers such as breast cancer. Currently, there is no generally accepted screening test for lung cancer. Several methods of detecting lung cancer have been studied as possible screening tests. The methods under study include tests of sputum (mucus brought up from the lungs by coughing), chest x-rays, or spiral (helical) CT scans. You can read more about these tests in the Diagnosis section.

However, screening tests have risks. For example, an abnormal x-ray result could lead to other procedures (such as surgery to check for cancer cells), but a person with an abnormal test result might not have lung cancer. Studies so far have not shown that screening tests lower the number of deaths from lung cancer. See "The Promise of Cancer Research" section for information about research studies of screening tests for lung cancer.

You may want to talk with your doctor about your own risk factors and the possible benefits and harms of being screened for lung cancer. Like many other medical decisions, the decision to be screened is a personal one. Your decision may be easier after learning the pros and cons of screening.

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