Postoperative anteroposterior radiograph. Percutaneous pedicle screws were inserted in L3 and L4, and 2 iliac screws were inserted on each side. Bilateral iliac screws were connected by 2 transverse rods and a crosslink. The crossing points of rods for lumbar pedicle screws and the cranial transverse rod for iliac screws were connected by rod connectors, completing lumbopelvic fixation.