NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,322 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.

Browse:
micrometastasis
(MY-kroh-meh-TAS-tuh-sis)
Small numbers of cancer cells that have spread from the primary tumor to other parts of the body and are too few to be picked up in a screening or diagnostic test.