4992b, blood, circulate, circulation, circulatory, complications, deep, dvt, edema, embolism, exh4992b, extremities, extremity, feet, foot, hematology, hemology, lateral, lateralis, leg, legs, lower, medial, medialis, post-operative, swelling, swollen, symptoms, thrombosis, thrombus, thromosis, vascular, vein, veinous, veins, venous, vessel, vessels, 2, 4