NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,091 terms related to cancer and medicine.

A purified form of amygdalin made in the laboratory. Amygdalin is a substance found in the pits of some fruits, such as apricots, and in raw nuts and plants. Laetrile has been used in some countries as a treatment for cancer, but it has not been shown to work in human clinical trials. It is not approved for use in the United States.