Varies: Chronic gerd can cause changes to the distal esophagus. These cellular changes are called barrett's esophagus. Once seen on biopsy, these changes must be followed by endoscopy to look for dysplasia, a premalignant cellular change. This usually takes years, so medical management is very important, and endoscopic survey may be necessary. Speak to your doctor. Good luck.
Answered 4/16/2019
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