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 patient presents with increased serum ferritin, decreased TIBC, increased serum iron, % saturation increased. Most probable diagnosis is - \nSelect and explain. \nA. Anemia of chronic disease, B. Sideroblastic anemia, C. Iron deficiency anemia, D. Thalassemia minor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]