NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,800 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.

infrared thermography
(IN-fruh-RED ther-MAH-gruh-fee)
In medicine, a procedure in which an infrared camera (one that senses heat) is used to measure temperature differences on the surface of the body. The camera makes pictures that show areas of possible abnormal cell growth because abnormal tissue gives off more heat than normal tissue does.