| http://www.w3.org/ns/prov#value | - If left untreated, chronic gastroesophageal reflux can cause complications such as esophagitis (inflammation), esophageal ulcers, bleeding or scarring of the esophagus.During surgery, gastroesophageal reflux is corrected by creating an improved valve mechanism at the bottom of the esophagus.Pre-surgical evaluation The pre-surgical evaluation lasts about one day and is scheduled a few weeks before
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