Stock Photo - A hiatal hernia is the protrusion of the upper part of the stomach into the thorax. The opening permitting this usually only allows for the esophagus to pass through. Hiatal hernias may cause digestive problems i.e. gastro_esophageal reflux. Over time,

Stock Photo: A hiatal hernia is the protrusion of the upper part of the stomach into the thorax. The opening permitting this usually only allows for the esophagus to pass.

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