An X-ray reveals the coils inserted in Sophie Robehmed's veins - the darkish column in the centre is her backbone Lastly, compression from the correct typical iliac artery around the left common iliac vein in opposition to the backbone and pelvic brim is understood to induce iliofemoral deep venous thrombosis https://www.sgvascularctr.com/service/pelvic-congestion-syndrome/