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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.
Though most lung nodules are not malignant, it is very important the those representing cancer are identified early in their course, when they are curable. Chest X-rays and CT Scans âUsually, the first sign that a pulmonary nodule is present is a spot on the lung that shows up on a chest X-ray or a CT scan.any are the result of inflammation in the lung as a result of an infection or disease producing inflammation in the body. The nodule may represent an active process or be the result of scar tissue formation related to prior inflammation. Benign developmental lesions may also appear as nodules.