This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: viral infection, Subject name: Medicine
Volcano ulcers in esophagus are seen in: 
Select and explain. 
A. Herpetic esophagitis, B. Candida esophagitis, C. Apthous ulcer in Crohn, D. HIV esophagitis
A: Herpetic esophagitis
Answer: A: Herpetic esophagitis 
Explanation: Volcano ulcers - Herpetic esophagitis - odynophagia Candida esophagitis Whitish plague adheres to wall of esophagus