NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,492 terms related to cancer and medicine.

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stage 0 esophageal carcinoma in situ
(... ee-SAH-fuh-JEE-ul KAR-sih-NOH-muh in SY-too)
Cancer has formed in the inner lining of the esophagus wall. Stage 0 is also called high-grade dysplasia.