stage I lip and oral cavity cancerListen to pronunciation(... OR-ul KA-vih-tee KAN-ser)The tumor is 2 centimeters or smaller and the deepest point of tumor invasion is 5 millimeters or less.More InformationLip and Oral Cavity Cancer TreatmentSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#