NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,886 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.
- stage 0 nasal cavity and ethmoid sinus carcinoma in situ
- listen (... NAY-zul KA-vih-tee … ETH-moyd SY-nus KAR-sih-NOH-muh in SY-too)
Abnormal cells are found in the innermost lining of the nasal cavity or ethmoid sinus. These abnormal cells may become cancer and spread into nearby normal tissue.