![](https://webarchive.library.unt.edu/eot2008/20090514044027im_/http://www.cancer.gov/images/spacer.gif) |
|
(MY-kroh-KAL-sih-fih-KAY-shun)
![](https://webarchive.library.unt.edu/eot2008/20090514044027im_/http://www.cancer.gov/images/spacer.gif)
| 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. |
Previous Definitions: | Mevacor, Mexican valerian, MG98, MGCD0103, MGUS | Next Definitions: | microfluidic device, microgram, micrometastasis, micromolar, micronutrient |
|
![](https://webarchive.library.unt.edu/eot2008/20090514044027im_/http://www.cancer.gov/images/spacer.gif) |