Back and Leg Pain Conditions Back Pain Degenerative Disc Disease Herniated Disc Spondylolisthesis Stenosis Scoliosis Sciatica Treatments Micro Discectomy / Laminectomy Anterior Lumbar Interbody Fusion (ALIF) Posterior Lumbar Interbody Fusion (PLIF) Direct Lumbar Interbody Fusions (DLIF)