Hi My Problem Is Spondiolisis Doctor Gave Me Epidural A

hi my problem is spondiolisis doctor gave me epidural a month ago but did'nt work now I have problems in my right leg I have problem walking I had about same problem 2 years ago with my left legI had lot of exams and the neurologist believed that the radiotherapy burned some nerve envelopes but the radiotherapist says it's not possible but I can't support that pain sometimesand have problems walking I don't know what to do thanks for your attention solange