Is LL discrepancy normal after LL surgery?

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I did some kind of x ray in a standing position to see the alignment of.my bones (femur and tibias) before doimg a corrective surgery in my right tibia which had some misalignment.
Both my.tibias had 1mm difference.

My doctor, during LL, measured the x rays with a special software which could meaure the exact gap.
Not anything extraordinary, all trauma surgeons have this.

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some doctors lengthen ur fixator in the surgery room where ur hooked up on anesthesia . no pain just growing . they got xray in the surgery room but potentially can be a little discrpancy. but im sure its not off by more then 0.3 cm