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Chromoendoscopy of esophageal squamous cell carcinoma

Chromoendoscopy of esophageal squamous cell carcinoma
Endoscopic view of the esophagus following staining with Lugol's iodine solution showing squamous cell carcinoma, which appears as an unstained plaque (arrow). The dark brown areas are normal squamous mucosa.
Courtesy of Marcia I Canto, MD, MHS.
Graphic 71269 Version 2.0