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.
Sonogram / Ultrasound scan, can find out if a nodule on a mammogram, is a solid nodule, or a cystic lesion, breast cysts tend to be fluid filled. Suppose an ultrasound report said there is a hypoechoic nodule, or a hypoechoic lesion in a breast, perhaps also saying it is solid.