Acute on chronic left sciatica. There are disc bulges with associated annular fissures are L3-4 through L5-S1, with up to moderate spinal canal stenosis at L4-5 and bilateral facet hypertrophy with at least moderate neural foraminal stenosis at L5-S1 bilaterally. The vertebral column alignment is within normal limits. The vertebral body heights are preserved. The vertebral bone marrow signal is unremarkable. The spinal cord displays normal signal and morphology. The paravertebral soft tissues are unremarkable.
Degenerative spondylosis at L3-4 through L5-S1, with up to moderate spinal canal stenosis at L4-5 and at least moderate neural foraminal stenosis at L5-S1 bilaterally.