<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi I had surgery on L5 L4 S1 and have been diagnosed with failed back spinal surgery.i can barely walk my posture is bent a 45 degree angle.I suffer from extreme spasitiy which is very painful.my pain consultant has requested a spinal block operation and said I would be in hospital for 3 weeks,can you explain the process and the recovery .thank you  <response>: Hi, Welcome to Chat Doctor .com I am Chat Doctor. Mariano Into Bruno Mascaras. I have gone through your query with diligence and would like you to know that I am here to help you. You need to do a repeat MRI LS Spine The further treatment will be decided based on that Hope you found the answer helpful. If you need any clarification have doubts have additional questions have follow-up questions, then please do not hesitate in asking again. I will be happy to answer your questions. In the future, for continuity of care, I encourage you to contact me directly in Chat Doctor at 