Left L5/S1 disc bulge resulting in mild left L5/S1 lateral recess stenosis and mass effect upon the descending root. There is also moderate left L5/S1 foraminal stenosis with possible mass effect on the exiting left L5 root. Facet arthropathy at L4/5 results in grade 1 degenerative L4/5 anterolisthesis.
There is mild canal and foraminal stenosis at L3/4 and L4/5 as detailed above.