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: Medicine
[{'content': 'Volcano ulcers in esophagus are seen in \nSelect and explain. \nA. Herpetic esophagitis, B. Candida esophagitis, C. Apthous ulcer in crohn, D. HIV esophagitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Herpetic esophagitisThe ulcers of herpes esophagitis can haye a punctate, linear, stellate, or volcano-like appearance, often with a thin halo fo edemaat the margins.The ulcers may be clustered together or widely separated with normal intemening mucosa.', 'role': 'assistant'}]