Figure 4From: The effects of anterior vacuum disc on surgical outcomes of degenerative versus spondylolytic spondylolisthesis: at a minimum two-year follow-up Example of solid fusion after surgery. A 55-year-old female underwent L5 laminectomy and L5-S1 instrumented posterolateral fusion. Two-year postoperative radiographs revealed fused L5-S1 segments and well-maintained implants.Back to article page