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.
Also known as a hepatic cyst, a simple liver cyst is a thin-walled bubble, a fluid-filled cavity in the liver that usually produces no signs or symptoms. Some liver cysts do not contain fluid. A relatively common condition, liver cysts are normally benign and pose no problems or health risks.