This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Causes of hypopituitarism are all, except - \nSelect and explain. \nA. Cancer breast, B. Cancer bronchus, C. Chromophilic adenoma, D. Acidophilic tumour', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Acidophilic tumor causes hyperpituitarism Ref -( Harrison 17 pg 2197)', 'role': 'assistant'}]