x-ray of lumbosacral spine: irregularity of superior endplate of L4 vertebra
x-ray of lumbosacral spine: irregularity of superior endplate of l4 vertebra
x-ray of lumbosacral spine: irregularity of superior endplate of L4 vertebra (procedure)
x-ray of lumbosacral spine: irregularity of superior endplate of l4 vertebra (procedure)