It's funny how when you search and read about different subjects, articles, ads, and videos will present themselves. In my case, this video came up.... it's about Cervical Stenosis by Dr Cantor.

A good lay video that explains what it is, how they deal with it, the spinal cord, diffusion MRI 25:29, and ultrasound scalpel technologies. 36:16

Fusionless neck surgery. No rods, no screws.