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A hiatal hernia is an anatomical abnormality in which part of the stomach protrudes through the diaphragm and up into the chest.
hiatal hernias are caused by a larger-than-normal esophageal hiatus, the opening in the diaphragm Other potentially contributing factors include: A permanent shortening of the esophagus (perhaps caused by inflammation and scarring An abnormally loose attachment of the esophagus to the diaphragm |
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