L4 & L5 Lumbar spine bilateral laminectomy- Foraminotomy - L4-5 Discectomy

This stock medical diagram of lumbar spine depicts a posterior lumbar surgery to relieve compressed exiting nerve roots.  Bilateral L4 inferior partial laminectomy and foraminotomy.  Bilateral superior L5 bilateral laminectomy. Disk protrusion fragment is removed from underneath the exiting nerve root.