Gastroesophageal reflux:The return ofstomachcontents back up into theesophagusThis frequently causes heartburn because of irritation of the esophagus by stomach acid.
Gastroesophageal reflux disease (GERD) can lead to scarring andstricture食道,要求拉伸(dilating) of the esophagus. 10% of patients withgastroesophageal reflux diseasedevelop Barrett's esophagus which increases the risk of cancer of the esophagus. 80% of patients withgastroesophageal refluxdiseasealso have a hiatal hernia.
