METHODS Biopsies were performed at the squamocolumnar junction (Z-line) and 1–2 cm below the Z-line. Injury to the columnar mucosa was scored for inflammatory cells, epithelial cell abnormalities, and ...
The esophagus is an organ that connects the back of the throat (or pharynx) with the stomach. It is the muscular channel that delivers food, liquids, and saliva to the rest of the digestive system.
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