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: Medicine
[{'content': "A man presents with weakness, pain in upper\n\nabdomen, hyperpigmentation, arthritis,\n\nhyperglycemia and enlarged palpable liver. Most\n\nprobable diagnosis is - \nSelect and explain. \nA. Haemochromatosis, B. Addison's disease, C. Insulin dependent diabetes mellitus, D. Cushing's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hemochromatosis is a condition in which amount of total body iron\xa0increases. Excessive iron causes damage to several organs. Fatigue and arthropathy are early symptoms. Leaden Gray skin pigmentatìn, hepatomegaly, arthritis, diabetes mellitus, cardiac failure are also present.', 'role': 'assistant'}]