NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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
(... 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.