Internal hernias are an uncommon cause of bowel obstruction, accounting for less than 1% of cases. Paraduodenal hernias, the most common type of internal hernias, are believed to be congenital in ...

Some types of hernia can also become strangulated or cause a bowel obstruction, the NHS says. A man who has a huge 17.5cm hernia might have to wait two years for surgery READ MORE: Mother ...