NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,659 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.

A term used to describe a medical product or practice that is used together with (complementary) or instead of (alternative) standard medical care. Usually, less is known about most types of CAM than about standard treatments, which go through a long and careful research process to prove they are safe and effective. CAM may include dietary supplements, megadose vitamins, herbal preparations, special teas, acupuncture, massage therapy, magnet therapy, spiritual healing, and meditation. Also called complementary and alternative medicine.