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: Radiology
Assymetric growth on ultrasound imaging is seen in 
Select and explain. 
A. Anencephaly, B. Trisomy 18, C. Congenital rubella syndrome, D. Renal anomalies
A: Anencephaly
Answer: A: Anencephaly 
Explanation: Anencephaly