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
Which one of the following is a benign tumour? 
Select and explain. 
A. Atheroma, B. Granuloma, C. Papilloma, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: (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.