Some people may have iliac vein compression and display no symptoms. If symptomatic, clinical signs and symptoms may include unexplained left lower leg edema, venous claudication (cramping in lower leg), recurrent DVT (deep vein thrombosis), varicosities, chronic leg pain, swelling, recurrent skin ulcers, skin hyperpigmentation, pelvic pain, varicose veins and post-thrombotic syndrome.