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10866 Surgery

A 40-year-old woman treated for many years for gastroesophageal reflux develops dysphagia and weight loss. Previous esophagoscopy has revealed cellular atypia. An esophagoscopy is about to be performed. What is it most likely to reveal?

ALeiomyoma arising from the long esophageal muscular layer
BSquamous cell carcinoma arising from esophageal mucosal lining
CAdenocarcinoma originated from islands of Barrett's esophagus (Correct Answer)
DAdenocarcinoma extending from the stomach