I have lumbosacral spine dessicated disc L4-L5, now I have severe pain even lying down in bed is not comfortable it is paining now , I got my mri done on 14th april 2012 , i have this problem from last 4 1/2 years. Right now i am in XXXX and doctor here told me that only surgery is the last option , please help me ? is it safe to go for the surgery