Spontaneous Correction of Sagittal Imbalance After Isolated Lumbar Decompression

"All patients will undergo microsurgical decompression of stenosed neural structures of the lumbar canal at all clinically significant levels with saving the posterior spinal column (type of decompression may be as unilateral, bilateral, or bilateral from a unilateral approach (over-the-top)).~Degenerative lumbar stenosis may be caused by thickened yellow and posterior longitudinal ligaments, facet joints hypertrophy, vertebral body osteophytes posteriorly, synovial (facet joints cysts) and disc cysts."