I saw the other 1-star review and had to submit a significantly different opinion. Had spinal fusion 8 months ago - doctor in MN fused 2 vertebrae, should have done 3. Dr. Katz saw it on the X-ray right away. Potential complication trying to add to the work done last time, but it went smoothly and the severe headaches and shoulder/neck pain I'd felt constantly since the last surgery were gone immediately. Only 5 days after surgery, in spite of still recovering from surgery, I felt much bette...