Grade 1 anterolisthesis of l5 over s1 with fatty marrow conversion at left l5 pars inter articular with bowing indicative of a healed fracture, 22yo/m?

Spondylolisthesis L5: You have described what is probably a congenital condition with a defect in the pars interarticularis. The symptoms may have become apparent after some trauma. 90% of the time people of this condition can be treated conservatively with a lumbosacral brace and analgesics. If symptoms worsen, further imaging may include MRI or ct with intrathecal contrast. Decompression and fusion may become neces.