This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genito Urinary System, Subject name: Radiology
[{'content': 'False about Varicocele is? \nSelect and explain. \nA. Dilated pampiniform plexus veins, B. More common on right side, C. Doppler USG is best investigation, D. Abnormality increases on Valsalva', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans BVaricocele - The left testicle is affected much more commonly ([?]85%) than the right. This may be due to the shorter course of the right testicular vein and its oblique insertion into the IVC which creates less backpressure. Isolated right varicoceles are rare and should prompt evaluation for a secondary varicocele.', 'role': 'assistant'}]