My mothers mri reportLigamentum flavum thickning present at l4-l5Pll thickened opposite l3-l4Straightening of lumbar curvature seen with multilevel small anterior marginal osteophytesGrade 1 anterolisthesis of l3 over l4 is presentDisc desiccation changes seen in lumbar spine at l3-l4 l4-l5&l5-s1 levelsDiffuse postero and paracentral disc  bulges are seen at l3-l4, l4-l5Axial imaging feveals diffuse posterocentral as well as paracentral disc bulges causing ventral thecal sac compression with canal stenosis and encroachment of the neural recesses with neural foremen narrowing and compression of thetraversing  nerve roots.The effective I/v discs show decrease in height and altered signalPlz suggest how serious is the matter?
That's is the narrowing of space in respected spaces as you mentioned that causes compression of nerves and patients after that experience pain in the lower limb and backache and bulging of disc is protection of intervertebral disc that due to some disease or overweight or weight lifting leaves its normal place and cause compression of nerves and third osteophytes are the abnormal erosion formed in spaces