<unk>  venous thrombosis <unk>  is the formation of a blood clot in one of the<unk>  veins within the body, such as in the leg or pelvis.
Deep vein thrombosis
Arterial thrombosis
Varicose veins
Superficial vein thrombosis
Venous ulcer
Blebitis
Thrombophlebitis
Leg ulcer