50f Lower backache & pain radiating to both thighs x 1yr

65 yr old male pt,xrau lumber spni,h/o pain frm 1 yr

A 76 year old male with a past medical history significant for insulin dependent diabetes mellitus, hypertension, and stage 3 chronic kidney disease presented with mid to low right-sided back pain, exacerbated by lying on his right side. There were no reported lower extremity weaknesses or paresthesias. His musculoskeletal history includes chronic hip pain status post hip fracture. His pain is managed without narcotics. Imaging was performed to evaluate the etiology of his back pain. Please help in the case.

M.76. Chr.LBA 2yrs Neck pain 2months.

A 71-year-old man presents with chronic lower back pain for many years. He feels as though his legs are getting weaker, and he is experiencing difficulty walking long distances. Anteroposterior and lateral radiographs of the lumbar spine are obtained. What can be the possible reason?