This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cervical Carcinoma, Subject name: Gynaecology & Obstetrics
[{'content': 'A patient is diagnosed to have CIN II. She approaches you for advice. You can definitely tell her the risk of malignancy as \nSelect and explain. \nA. 15%, B. 60%, C. 30%, D. 5%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: CIN I and CIN II, the lesions have a 5-10% chance to progress to a high grade lesion CIN III progressing to cervical cancer is almost 10-30% Transformation Rates Form low grade CIN to High grade CIN takes around 5-6 years From High Grade CIN to invasive cancer takes around 10 years time. HPV related cervical lesions occur more on the cervical anterior lip than the lower lip (2:1 incidence).', 'role': 'assistant'}]