NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,916 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

stage IV melanoma
(... MEH-luh-NOH-muh)
Cancer has spread to other places in the body, such as the lung, liver, brain, bone, soft tissue, gastrointestinal (GI) tract, or to places in the skin far away from where the cancer first started.