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
Sign of chronic inflammation ? 
Select and explain. 
A. Angiogenesis, B. Purulent exudate, C. Induration, D. Edema
A: Angiogenesis
Answer: A: Angiogenesis 
Explanation: 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.