NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,990 terms related to cancer and medicine.

A disorder in which a person hears noises such as buzzing, ringing, clicking, or the sound of a pulse, when no outside sound is causing them. Tinnitus may have many different causes, and may be a symptom of another disease or condition. It may be caused by certain tumors and anticancer drugs.