Evaluating the radiological results of lumbosacral sagittal alignment and advantages of a combined operation using minimally invasive transforaminal lumbar interbody fusion and percutaneous pedicle fixation in treatment for lumbosacral spondylolisthesis. | Minimally invasive transforaminal lumbar interbody fusion followed by percutaneous pedicle screw fixation for the treatment of single level lumbar spondylolisthesis: Radiological results of lumbosacral sagittal balance parameters