NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,919 terms related to cancer and medicine.

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hot nodule
(hot NAH-jool)
When radioactive material is used to examine the thyroid with a scanner, nodules that collect more radioactive material than the surrounding thyroid tissue are considered "hot." Hot nodules are rarely malignant. Hot nodules are sometimes called hyperfunctioning nodules.