Lung nodules are common and usually develop after an injury or infection. However, in a small number of cases, they may be a sign of lung cancer. Lung nodules can vary in size and shape. They can ...

Lung adenocarcinoma is the most common type of lung cancer diagnosed in the U.S. Just over half of all non-small-cell lung cancers (NSCLCs) are adenocarcinomas. Finding out that you're at risk of lung ...

One thing that can show on a CT scan or X-ray is a degree of haziness referred to as opacity. This can indicate a concern, but your doctor may want more testing to determine the cause of any potential ...