“…Although asymptomatic in most patients, it mostly presents with venous hypertension when manifested, which can lead to venous insufficiency, left lower extremity swelling, varicose veins, venous claudication, hyperpigmentation, or venous ulcers [ 3 ]. Computed tomography (CT) and magnetic resonance venography have >95% sensitivity and specificity for diagnosing IVCS [ 4 - 7 ].…”