Fig. 1From: The impact of smoking on outcomes following anterior cervical fusion-nonfusion hybrid surgery: a retrospective single-center cohort studyA lateral X-ray at 3-month follow-up was used to confirm the shape of endplates and the location of the marker line (A). The height of bone tissue along the posterior border of the cage was measured in the sagittal CT scan as the reflection of early fusion effect. (The white arrows in B)Back to article page