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
Which of the following is the most common site for syphilitic aneurysm
assistant
The correct answer is  Syphilitic aneurysm most frequently occurs in ascending aorta. Syphilitic aneurysm occurs in tertiary stage of syphilis.