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
Size of ovary, above which considered to be malignant : 
Select and explain. 
A. 2 cm, B. 5 cm, C. 8 cm, D. 10 cm
B: 5 cm
Answer: B: 5 cm 
Explanation: 5 cm