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.
Your doctor has told you that you have a lung nodule, a spot on the lungs. There are no signs or symptoms of a nodule, so they can only be found incidentally, either because you had symptoms of another lung problem or by chance â as part of a routine medical exam or during a chest X-ray or CT scan for something else.