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': 'As compared to iron deficiency anemia, which of the following is decreased in anemia of chronic disease? \nSelect and explain. \nA. Endogenous bone marrow iron stores, B. Serum ferritin, C. Transferrin saturation, D. TIBC', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. TIBCMCV/MCH- Decreased or normalSerum iron- DecreasedTIBC- Decreased, normalTransferrin saturation- DecreasedSerum ferritin- Normal or increased', 'role': 'assistant'}]