NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,861 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.

A product from a plant of Asian origin that produces beans used in many food products. Soybean contains isoflavones (estrogen-like substances) that are being studied for the prevention of cancer, hot flashes that occur with menopause, and osteoporosis (loss of bone density). Soybean in the diet may lower cholesterol levels and reduce the risk of heart disease. Also called Glycine max, soy, and soya.