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Lung Nodules: Overview - nationaljewish.org

A lung nodule is also called a spot on your lung (pulmonary nodule). It is usually round or oval in shape. They are easy to find but can be hard to diagnose. Nodules are found in 1 out of every 4 chest CT scans. Most nodules (more than 90%) are benign and not cancerous. Benign or non-cancerous nodules can be caused by previous infections or old ...