Fig. 4From: Radiographic and clinical outcome of lateral lumbar interbody fusion for extreme lumbar spinal stenosis of Schizas grade D: a retrospective studyA 66-year-old woman with Schizas grade D preoperatively at L4/5 (a, b). Her axial central canal area and midsagittal canal diameter partially improved after CLIF surgery (c, d) and significantly improved after second-stage laminectomy (e, f). Neurological decompression was maintained 15 months after surgery (g, h)Back to article page