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: Surgery
[{'content': 'With reference to varicocele, which one of the following is not true of it ? \nSelect and explain. \nA. Varicosity of cremestric veins, B. Left side is affected usually, C. Feels like a bag of worms, D. May lead to infertility', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]