1. Herniated disk syndrome is more common in males.

2. L3-4 herniated disks occur occasionally, but levels higher than this are exceedingly rare.

3. Bowel or omentum may herniate alongside the drain.

4. Bowel may herniate alongside a drain, with resulting obstruction.

5. Soft tissue structures may herniate into the maxillary sinus, leading to entrapment and vertical diplopia (arrow).

6. Various lengths of intestine may herniate posterior to the right colon into the right paracolic gutter.