system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A sexually active male comes with multiple painful ulcers, the smear is enclosed? What is the most likely diagnosis?
assistant
The correct answer is  Ans. B. ChancroidImage shows pleomorphic gram negative coccobacilli (H. ducreyi) arranged in a parallel chains of two's or four described as "School of fish"