Low back pain. Evaluate for spondylolisthesis L5-S1. There is a broad-based disc bulge at L5-S1 predominantly towards the left as well as mild moderate bilateral facet hypertrophy. There is associated effacement of the left lateral recess. There is mild deformity of the spinal canal at this level. There is mild neural foraminal narrowing bilaterally at this level. There is mild grade 1 anterolisthesis of L5 on S1. A disc bulge is also present at L3-L4 and L4-5 with no associated significant spinal canal or neural foraminal narrowing. The spinal cord displays normal signal and morphology. The vertebral body heights are preserved. The vertebral bone marrow signal is unremarkable. The paravertebral soft tissues are unremarkable.
Mild multilevel degenerative changes of the lumbar spine predominantly affecting the L5-S1 level, where there is also mild anterolisthesis.