For ages, they have been willing to throw down over the merits of serif versus sans-serif typefaces.
Quick Answer. Liver nodules, usually a sign of liver disease, can be caused by certain parasitic or viral infections, immune system abnormalities, cancer and genetic conditions, according to Mayo Clinic. Contributing factors include heavy alcohol or drug use, unprotected sex, obesity, diabetes and exposure to certain chemicals.
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.These tests are usually done when a person sees the doctor for a respiratory illness.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.