This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Varicose Veins, Subject name: Surgery
[{'content': 'Lipodermatosclerosis is most commonly seen at? \nSelect and explain. \nA. Anterior aspect of leg, B. Medial aspect of leg, C. Anterior aspect of thigh, D. Posterior aspect of thigh', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Medial aspect of legRef: Sabiston 18thed ch-68', 'role': 'assistant'}]