How long after surgery for an ACDF multi level does it take for a fusion? I was told by my Or tho Doc that he saw movement with flexion and extension xrays. What does that mean? Sounds like a Nonunion to me. I haven't gotten the official report yet from my recent MRI from the Doc. I do have the report but I have to wait for another appointment to discuss the findings. My Doc says "he's not sure" if I am fused or not. Not sure???? How and what determines if there is a fusion? I've had xrays and an MRI. He also did mention that he would know for sure if he "went in and explored".What? This is what I have found out: when you are told something then the Dictated report comes back, there is quite a difference in the translation. If there was a mistake made, own up to it. Don't hide or try to make excuses for it. This is my interpretation only. It's time to sever this relationship and find someone who can fix his mess. More info when it is available to me. Thank you for being there!