This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': 'The cubitus-valgus deformity is a complication of - \nSelect and explain. \nA. # Lateral condyle of humerus, B. # Intercondylar of humerus, C. It of the olecranon, D. # Head of the radius', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cubitus valgus is a common complication.\nIt is caused by persistent upward displacement of the fractured condyle or by retardation of epiphyseal growth on the affected side from damage to the growing epiphyseal cartilage.', 'role': 'assistant'}]