Does Dengenrative Fusion On T3 Through T5 Cause Numbness Waist Down?

Hello, i received a response from my Dr. relating to my recent MRI. He says i have degenerative and post surgical changes to my fusion on T3 through T5 vertebrae. The report also mentions that some of the hardware is close to the spine. What does this mean? And does this relate to why I have numbness from my waist down?