Scar will contract when fresh (within 3 months) due to myofibroblasts (scar making cells that contract). I don’t believe that this is too significant. The annulus has a tenuous blood supply, if any at all and is made of collagen which stays intact with cell death.
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.