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Overview


Every year, more than half a million hernia repairs are performed in the United States. A hernia occurs when inner layers of abdominal muscle become weakened. The lining of the abdomen then bulges out into a small sac, and part of the intestine or abdominal tissue may enter the sac. Hernias occur most commonly in the groin (inguinal hernia), the navel (umbilical hernia), and at the incision site of a previous surgery.

A hiatal, or diaphragmatic, hernia occurs when the lower pa...Read the full article