NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,790 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 (LIM-foh-EH-pih-THEE-lee-OH-muh)
- A type of cancer that begins in the tissues covering the nasopharynx (the upper part of the throat behind the nose).