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: Gynaecology & Obstetrics
Choriocarcinoma commonly metastasises to : 
Select and explain. 
A. Liver, B. Brain, C. Lungs, D. Placentas
C: Lungs
Answer: C: Lungs 
Explanation: Lungs