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
Carcinoma cervix is commonest at : 
Select and explain. 
A. Poio vaginalis, B. Endocervix, C. Erosion, D. Squamocolumnar junction
D: Squamocolumnar junction
Answer: D: Squamocolumnar junction 
Explanation: Squamocolumnar junction