Abdominal aortic calcification and functional recovery in patients undergoing posterior lumbar interbody fusion: a retrospective cohort study. - Wei S; Zhan S; Huang Y; Lu D; Liu C; Ma H; Yi P; Tang X (European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2026)