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Uptodate Reference Title
Chromoendoscopy showing residual Barrett's esophagus after photodynamic therapy
Chromoendoscopy showing residual Barrett's esophagus after photodynamic therapy
Endoscopic image after Lugol's chromoendoscopy, which shows an unstained small area of residual Barrett's esophagus following photodynamic therapy (green arrow). Note the adjacent normal black colored squamous mucosa, squamocolumnar junction, and unstained normal gastric cardiac mucosa (yellow arrow).