A lung nodule is a growth in the lung. A single nodule surrounded by lung tissue is called a solitary pulmonary nodule.
A lung nodule might not cause any symptoms. Your doctor may have found one or more nodules on your lung when you were having a chest X-ray or CT scan. Or it may have been found during a lung cancer screening.
A lung nodule may be caused by an old infection or cancer. It might also be a non-cancerous growth.
Lung nodules can cause a screening to give an abnormal result. Most nodules do not cause any harm. But without further tests, your doctor can't tell whether an abnormal finding is cancer, a harmless nodule, or something else.
Your doctor will look at several risk factors to see how likely it is that the nodule is cancer. He or she will look at:
What happens next depends on the risk of the nodule being cancer.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of: July 26, 2016
E. Gregory Thompson, MD - Internal Medicine
& Adam Husney, MD - Family Medicine & Thomas M. Bailey, MD - Family Medicine & Michael Seth Rabin, MD - Medical Oncology & Michael P. Pignone, MD, MPH, FACP - Internal Medicine
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