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  • lower
  • Although these changes can occur in patches over several parts of the body, one commonly sees these changes on the lower legs. (podiatrytoday.com)
  • Venous ulcer before surgery Healing process of a chronic venous stasis ulcer of the lower leg Healing venous ulcer after one month The exact cause of venous ulcers is not certain, but they are thought to arise when venous valves that exist to prevent backflow of blood do not function properly, causing the pressure in veins to increase. (wikipedia.org)