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A lung nodule is a mass of tissue located in the lungs. Though about 40% of these growths are benign, they can be cancerous, especially in older people and smokers. Many people with this condition don't have any symptoms, though some do have wheezing, shortness of breath, or a persistent cough.edical professionals can examine chest X-rays for indications of lung nodules. Smokers are at a serious risk of developing lung nodules. A lung nodule is a mass of tissue located in the lungs. Cancerous lung nodules may be removed through a surgical procedure.
Answer: A solitary spot on a chest X-ray â generally referred to as a lung nodule â sometimes can be an early cancer, so it's important to talk to your doctor to determine the best course of action.Lung nodules are common and typically noncancerous (benign).ests may include the following: 1  CT scan of the chest if the nodule was first seen on a chest X-ray; 2  Positron emission tomography (PET) scan to see how active the nodule cells are â high cellular activity is an indicator of cancer or active inflammation; and/or. 3  Tissue sample (biopsy the nodule).