<prompt> The following is the commonest site for venous ulcer ?Instep of footLower 13 leg and ankleLower 23 of legMiddle 13 of leg  <response>: Ans. is b i.e., Lower 13 leg and ankle Venous ulcers usually lie just proximal to the medial or lateral malleolus. Venous ulcers are accompanied by lipodermatosclerosis and hemosiderosis if these are not present then the ulcer is probably not of venous origin. 