peripheral vascular disease May-Thurner syndrome https://www.malacards.org/card/may_thurner_syndrome A compression of ILIAC VEIN that results in a decreased flow in the vein and in the left LOWER EXTREMITY due to a vascular malformation. It may result in left leg EDEMA, pain, iliofemoral DEEP VENOUS THROMBOSIS and POSTTHROMBOTIC SYNDROME. Compression of the left common ILIAC VEIN by the right common ILIAC ARTERY against the underlying fifth LUMBAR VERTEBRA is the typical underlying malformation. May-Thurner syndrome May Thurner syndrome syndrome, May-Thurner MONDO:0043361 syndrome, Iliocaval compression Iliocaval compression syndromes compression syndromes, Iliocaval UMLS:C3165062 iliac vein compression syndrome GARD:0027061 Iliocaval compression syndrome syndrome, Cockett Iliac vein compression syndrome SCTID:448804008 compression syndrome, Iliocaval syndromes, Iliocaval compression Orphanet:675404 Cockett syndrome MESH:D062108 MEDGEN:473753