This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Twin Pregnancy, Molar Pregnancy, Gestational Trophoblastic disease and contraception in special situations (Sour Grapes!), Subject name: Gynaecology & Obstetrics
Invasive molar tissue is most commonly found in 
Select and explain. 
A. Myometrium, B. Vaginal wall, C. Ovary, D. Liver
A: Myometrium
Answer: A: Myometrium 
Explanation: Invasive molar tissue (locally invasive) invades the myometrium, while metastatic molar tissue (highly metastatic)is a different type which metastasizes to the lung, liver.