Fig. 6From: Posterolateral fusion combined with posterior decompression shows superiority in the treatment of severe lumbar spinal stenosis without lumbar disc protrusion or prolapse: a retrospective cohort studyRepresentative morbidity of the CF group. a A lumbar lateral radiograph in the CF group showed that cage of the L4/5 intervertebral space sank into the L5 vertebral body and the L4/5 intervertebral space height was reduced. b A postoperative 6-month axial magnetic resonance image in the CF group showed that the cage of the L5/S1 intervertebral space was displaced posteriorly to the lumbar canal and compressed the left S1 nerve rootBack to article page