stage I nasal cavity and ethmoid sinus cancerListen to pronunciation(...NAY-zul KA-vih-tee…ETH-moyd SY-nus KAN-ser)Cancer is found in only one area of either the nasal cavity or the ethmoid sinus and may have spread into bone.More InformationParanasal Sinus and Nasal Cavity Cancer TreatmentSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#