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: Pathology
[{'content': '"Cabot" rings are characteristically seen in: \nSelect and explain. \nA. Hemochromatosis, B. Thalassemia, C. Post spleenectomy, D. Acquired haemolytic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Post spleenectomy', 'role': 'assistant'}]