Source:http://linkedlifedata.com/resource/umls/id/C1332629
NCI: A group of noncancerous conditions marked by an increase in the growth of certain cells in the breast. Having one of these conditions may increase the risk of breast cancer. Examples include ductal hyperplasia, lobular hyperplasia, and papillomas.,NCI: Breast fibrocystic change characterized by the presence of epithelial cell hyperplasia. Epithelial atypia may be present or absent.