I moved your question here for follow up discussion.

What specific terms do you need help with?

Disk material is mildly touching spinal cord @ T8/9
Disk material is not contacting spinal cord @ T11/12

this link has most of the terminology- it can explain them better than I can..
http://www.adriaanliebenberg.co.za/t...ar-region.html

What & where are your symptoms and pain?