NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,466 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- listen (MY-kroh-KAL-sih-fih-KAY-shun)
- 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.