MIS TLIF (Minimaaly Invasive Fusion) for Spondylolisthesis This 37 year old with Pain in Back with radiation to right lower limb for last 4 months. Her walking and standing time was restricted. Her MRI showed L5 S1 spondylolisthesis. She underwent Minimally Invasive Interbody fusion and Significant pain releif post surgery. She was discharged in two days.