The risk of surgery technically is not large but not zero either and has potential long-term risks of instability and kyphosis. The posterior structures resist flexion and these are removed with surgery.
It sounds like you are going ahead with surgery. Please keep this forum informed of your progress,
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.