HomeDepartmentsLung Nodule Lung Nodule A lung nodule (or mass) is a small abnormal area that is sometimes found during a CT scan of the chest. These scans are done for many reasons, such as part of lung cancer screening, or to check the lungs if you have symptoms. Download PDF here for more information Most lung nodules seen on CT scans are not cancerous. They are more often the result of old infections, scar tissue, or other causes. But tests are often needed to be sure a nodule is not cancer. Departments Asthma Sarcoidosis Pulmonary Fibrosis Chronic Obstructive Pulmonary Disease (COPD) Bronchiectasis Interstitial Lung Disease (ILD) Lung Nodule Emergency Cases If you have an emergency, please call Jackson Hospital. The operator can reach the doctor on call. 293-8000 Opening Hours Monday – Friday 8.00 – 7:00 pm Saturday 9.00 – 8.00 pm Sunday 10.00 – 9.00 pm