Thanks for writing to us.
The mild change in the sensations at the site of surgery is due to superficial nerve damage
which becomes alright in 3-4 weeks after surgery. The numbness
that you are having is likely to be related to a nerve root compression
or a methylcobalamin
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal