Did you get a copy of the images too?
Sometimes it is easier to read the report and then look at the pics.
some places have them on CD/DVD now.

Easiest to break it down to basics - and do a Google or other fav search engine of the words you don't understand

degenerative disk changes with posterior disk herniation
Mild rotatory scoliosis - some spinal experts will give a % or degree of rotation
L3-L4 shows facet arthropathy
L4-L5 shows postoperative changes
L5-SI shows a laminotomy on the right
L4-L5 shows enhancement in he epidural space