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 previously healthy 20-year-old man comes to the physician because of a 6-month history of a painless mass in his left groin that has been gradually increasing in size. Physical examination shows a 3x3-cm oval, non-tender left inguinal mass and a fluctuant, painless left scrotal swelling that increase in size with coughing. Which of the following is the most likely cause of this patient's symptoms?
assistant
Failure of processus vaginalis to close