L4-L5: Mild disc height loss with disc desiccation and mild facet joint hypertrophy. Central annular fissure in the inferior aspect of the disc. Mild disc bulge with focal central disc extrusion. No significant nerve root impingement
L5-S1: Mild disc height loss with disc desiccation. Central and right posterolateral disc protrusion with compression of the descending right S1 nerve root in the lateral recess.