Lumbar spondylotic changes * Scoliosis at lumbar level with convexity towards right side * Spondylolysis ofL3 vertebra with grade 1 anterior listhesis of L3 over L4 vertebra * Spondylolysis at L5 vertebral level without evident lysthesis * Mild posterocentral and bilateral posterosuperior pseudoherniation ofL3-4 disc; indenting the thecal sac compromising both neural forming and indenting over left exiting nerve root