Dictionary of Cancer Terms
View in Spanish: Carcinoma de la cavidad nasal y el seno etmoidal in situ, estadio 0
Stage 0 nasal cavity and ethmoid sinus carcinoma in situ ( 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.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.