Squamous intraepithelial neoplasia of the esophagus
Squamous intraepithelial neoplasia of the esophagus is a precancerous condition that involves abnormal changes in the cells lining the esophagus. The esophagus is the muscular tube that carries food from your mouth to your stomach. “Squamous” refers to the type of cells affected, which are flat cells normally lining the inner surface of the esophagus. …
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