| umls-concept:C1533591 | skos:definition | NCI: Deposits of calcium in the tissues. Calcification in the breast can be seen on a mammogram, but cannot be detected by touch. There are two types of breast calcification, macrocalcification and microcalcification. Macrocalcifications are large deposits and are usually not related to cancer. Microcalcifications are specks of calcium that may be found in an area of rapidly dividing cells. Many microcalcifications clustered together may be a sign of cancer.,GO: Formation of hard tissues that consist mainly of inorganic compounds, and also contain a small amounts of organic matrices that are believed to play important roles in their formation. [PMID:15132736],NCI: Deposition of calcium in the tissues. It may be the result of a metabolic disorder or long-standing infection, or it may be associated with the presence of cancer. | lld:umls |
