NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,791 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.

EMF
An area of electric and magnetic forces caused by electromagnetic radiation. Researchers are studying whether the EMFs from power lines, electrical appliances, and wireless and cellular telephones can cause cancer or other harmful health effects. Also called electromagnetic field.