Vertebral body height and alignment are preserved throughout the lumbar spine. Mild disc desiccation without disc height loss at L4-L5. Remainder of the disc height and hydration are preserved. The conus terminates at L1. Probable renal cysts. Visualized paraspinal soft tissues are unremarkable.L1-L2: Unremarkable. L2-L3: Unremarkable. L3-L4: Minimal broad-based disc bulge and mild facet arthrosis without thecal sac or neuroforaminal stenosis L4-L5: Small broad-based disc bulge and mild facet arthrosis without thecal sac stenosis. Mild Page 4 of 9 narrowing of the left neuroforamen. L5-S1: Minimal broad-based disc bulge with mild lateral facet arthrosis. No thecal sac or neuroforaminal stenosis.Impression: 1. Mild degenerative changes of the lower lumbar spine with mild narrowing of the left neuroforamen at L4-L5. The thecal sac is preserved throughout. Primary Diagnostic Code: ABNORMAL