disease has location venous insufficiency https://www.malacards.org/card/venous_insufficiency Impaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with edema and sometimes with venous stasis ulcers at the ankle. SCTID:20696009 venous insufficiency (disease) MESH:D014689 MEDGEN:21841 venous insufficiency (disease) UMLS:C0042485 ICD9:459.81 MONDO:0000945 peripheral venous insufficiency DOID:10128 HP:0005293 venous insufficiency vein disorder vascular insufficiency disorder vein