This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Orthopaedics
[{'content': 'Blount Disease is involvement of \nSelect and explain. \nA. Proximal tibia, B. Distal tibia, C. Proximal femur, D. Distal femur', 'role': 'user'}, {'content': "Answer: A \nExplanation: Blount's disease is a progressive bow-leg deformity associated with abnormal growth of posterior-medial pa of proximal tibia. Ithas a triad: Internal Rotation of leg Tibia vara Hyperextension of the knee", 'role': 'assistant'}]