Sounds just like my 2 level PLIF. Same Ti hardware X2. Hope yours helps as much as mine has. Are you having to wear the brace? I had mine for 6 weeks but it was mainly a precaution. I took it off every time I could at home.
Bill
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Semper Fi, USMC, 1975-1977
I Can Do All Things Through Him, Who Gives Me Strength. Philippians 4:13