NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,863 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 esophageal carcinoma in situ
- listen (... ee-SAH-fuh-JEE-ul KAR-sih-NOH-muh in SY-too)
Abnormal cells are found in the mucosa or submucosa layer of the esophagus wall. These abnormal cells may become cancer and spread into nearby normal tissue. Stage 0 is also called high-grade dysplasia.