stage 0

Definition of stage 0 nasopharyngeal carcinoma in situ
National Cancer Institute

stage 0 nasopharyngeal carcinoma in situ

(...NAY-zoh-fuh-RIN-jee-ul KAR-sih-NOH-muh in SY-too)
Abnormal cells are found in the lining of the nasopharynx. These abnormal cells may become cancer and spread into nearby normal tissue.

Source: NCI Dictionary of Cancer Terms