My mom had an operation done 6yrs ago for her nerve on the back doctor's told that there is a blocked nerve because of which there is no proper blood flow through the nerve ,but even after 6 years of operation she is not able to walk I understand that diabetic patients take time but it has been 6 years now have tried many doctors but no one can find out the actual problem she cannot walk properly indirectly there is problem from hip to the toe the lower part ,no proper passing of the stool as well kindly suggest me a doctor have done MRI a various time have visited about 20 doctors this month