NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,846 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.
- listen (VEE-gun)
- A person who does not eat any foods that come from animals, including meat, eggs, and dairy products. A vegan diet is being studied in the prevention and treatment of prostate cancer and other medical conditions.