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: Surgery
[{'content': 'True about keloid is \nSelect and explain. \nA. Wide local excision is treatment of choice, B. It has more collagen and vascularity, C. Will not spread beyond wound site, D. Elevated levels of growth factor is not seen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Keloid :\n\nExcess scar tissue that extends beyond wound site.\nIt has more collogen and vascularity.\nElevated levels of growth factors seen.\nIntralesional injection of Triamcinolone or Intralesional excision is used as treatment.', 'role': 'assistant'}]