Source:http://linkedlifedata.com/resource/umls/id/C0520594
NCI: A tiny deposit of calcium in the breast that cannot be felt but can be detected on a mammogram. A cluster of these very small specks of calcium may indicate that cancer is present.,NCI: Tiny deposits of calcium in tissue. In the breast they can be seen using mammography, and if found in clusters may be indicative of breast cancer.