What does "Hiatal hernia sac" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
A hiatal hernia sac is a part of the stomach that pushes up through an opening in the diaphragm, which is the muscle separating the chest and the abdomen. This opening is called the hiatus, hence the name "hiatal" hernia. The "sac" refers to the portion of the stomach that has pushed through the hiatus and is now located in the chest. This condition can cause discomfort and problems with digestion.
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