This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': 'Percentage of cases with cystic glandular hyperplasia turning into malignancy : \nSelect and explain. \nA. 0.10%, B. 2%, C. 1%, D. 10%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: WHO classification and Progression to Carcinoma Percentage of cystic glandular hyperplasia turning to malignancy is 1% Reference : Textbook of Gynaecology; Sheila balakrishnan; 2nd edition; Pg no: 248', 'role': 'assistant'}]