Figure 1: Whole spine X-ray, lateral view. The sagittal profile is imbalanced: C7 plumb line in front of the hips (SVA 14,5 cm), Pelvic incidence 65°, lumbar lordosis 50°. Compensatory pelvic retroversion (Pelvic tilt (PT) 30°). Proximal junction kyphosis at Th 10/11 with screw loosening.