Hi I Recentley Went To The Er For Numbness In

Hi i recentley went to the er for numbness in my right leg. They gave me paper work that stated Mild the stable space narrowing L-5 S-1 also normal bone mineralization Mild neural foramial encrouchment L-5 S-1 and that my Disc space and neural foramial are unremarkable could you please explain what that means