Fig. 2. A female patient, 50-year-old, with L3-L4, L4-L5 lateral recess stenosis underwent microsurgical posterior lumbar interbody fusion and decompression. Migration of the left cage to the spinal canal was observed at the L4-L5 level at the last (11-month) follow-up. Black arrows point to the migrated cage in (A) a sagittal view and (B) an axial view.
