Yes I Had L5S1 Back Fusion I Woke Up From

yes I had L5S1 back fusion I woke up from the surgery with my legs an feet killing me they hurt so bad I told the doctor an he said we had your spine in our hands the pain will go away well its been six years an I am still in a bunch of pain an it never gos away even with pain meds I am still in a lot of pain I have told other doctors an they say theres nothing wrong with me or its scar tissue or arthritis but this pain is to bad for it to be that an like I said I woke up with pain I didn't have scar tissue yet please help me I need to know what is wrong with me.