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': 'Decrease in serum iron and decrease TIBC is seen in- \nSelect and explain. \nA. Iron deficiency anemia, B. Thalassemia, C. Anemia of chronic disease, D. Sideroblastic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]