If this is a reverse-flow grade chronic roundworm can cause a condition in the esophagus and cause the end of the esophagus stenosis. They also cause changes in cells lining the esophagus becomes the esophagus cancer.
If a grade chronic reflux may cause esophageal pathology. And esophageal stenosis was made late It also causes changes in the cells lining the esophagus. Esophageal cancer has become the most.
If the grade of reflux may cause lesions in the esophagus, chronic And make the esophagus stenosis. It also causes changes of cells lining the esophagus. Become the esophagus cancer eventually.