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': 'Sign of chronic inflammation ? \nSelect and explain. \nA. Angiogenesis, B. Purulent exudate, C. Induration, D. Edema', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. AngiogenesisChronic inflammation is characterized by :?Infiltration with mononuclear cells, which include - macrophages, lymphocytes, and plasma cells Tissue destruction, induced - the persistent offending agent or by the inflammatory cellsAttempts at healing - connective tissue replacement of damaged tissue, accomplished by angiogenesis (proliferation of small blood vessels) and, in paicular, fibrosis.", 'role': 'assistant'}]