What Causes Pain In Left Leg?

I am 65 yrs I have taken MRI for nerve section Now I need to meet a neurologist to read the MRI n diagnose. I have pain in my left leg. It is cleared by doctored on seeing my dopler test on both the legs I have no problem on the blood circulation in the legs. My name T.S.Srinivas email address YYYY@YYYY phone 044-0000mobile 0000