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
A 45 year old woman attends gynecology department with prolonged vaginal bleeding. On examination, cervical lesion is found that bleeds on touch. Her past history is insignificant. She had undergone pap smear around 10 years ago, which was normal. What is the next best investigation 
Select and explain. 
A. Hysteroscopy, B. MRI scan - pelvis, C. Cervical punch biopsy, D. LEEP
C: Cervical punch biopsy
Answer: C: Cervical punch biopsy 
Explanation: Histological diagnosis has to be made prior to imaging or treatment.