 This corrected the deformity and helped to preserve the correction of the stenosis and then after we cannulated the pedicles of L4, L5 and S1 tightened the pedicle screws in L3. 
This corrected the deformity and helped to preserve the correction of the stenosis and then after we cannulated the pedicles of L4 , L5 and S1 tightened the pedicle screws in L3 .