This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Pathology
[{'content': 'Which one of the following is a benign tumour? \nSelect and explain. \nA. Atheroma, B. Granuloma, C. Papilloma, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) All of the above # Atherosclerosis is an accumulation and swelling in artery walls that is made up of macrophage cells or debris that contains lipids, calcium and fibrous, connective tissues.> Granuloma is a tiny collection of immune cells known as macrophages, formed when immunizing system attempts to wall of substances that it perceived as foreign, but is unable to eliminate papilloma.', 'role': 'assistant'}]