Thanks for consulting HealthcareMagic!
I am really sorry for your condition. But, I also personally think that surgery itself is the best treatment for your condition, severe spinal stenosis
. You may need surgery as your doctor suggested but as it is a major surgery, co morbid associated conditions should also be taken into account and the benefits should outweigh risks.
Hope I have answered your query. Let me know if you have have any clarifications. If not, you can close the discussion and rate the answer.
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Wish you good health!