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Lung Nodules And Benign Lung Tumors

Lung nodules — small #masses of #tissue in the lung — are quite common. They appear as round, white #shadows on a chest #X-ray or computerized #tomography #CT_scan.

Lung nodules are usually about 0.2 inch (5 millimeters) to 1.2 inches (30 millimeters) in size. A larger lung nodule, such as one that’s 30 millimeters or larger, is more likely to be #cancerous than is a smaller lung nodule.

If your #doctor detects a lung nodule on an imaging test, it’s helpful to compare your current imaging scan with a previous one. If the #nodule on earlier images hasn’t changed in size, shape or appearance in two years, it’s probably #noncancerous.

Noncancerous lung nodules are often caused by previous infections. Noncancerous lung nodules usually require no treatment. In some cases your doctor may recommend annual chest imaging to see if a lung nodule grows or changes over time.

If a lung nodule is new or has changed in size, shape or appearance, your doctor may recommend further testing — such as a CT scan, #positron emission #tomography (PET) scan, #bronchoscopy or tissue #biopsy — to determine if it’s cancerous.

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