Figure 1 - Endoscopic photograph of Barrett's esophagus.
From the following article
Stuart Jon Spechler
GI Motility online (2006)
doi:10.1038/gimo44
Note the reddish columnar mucosa lining the distal esophagus. Erythema and erosions caused by gastroesophageal reflux disease (GERD) (reflux esophagitis) can be seen in the adjacent squamous epithelium.
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