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
[{'content': 'Percentage change of cystic glandular hyperplasia turning to malignancy: \nSelect and explain. \nA. 0.10%, B. 2%, C. 1%, D. 10%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: As discussed in the preceding text:\nEndometrial hyperplasia is of the following four varieties:\n\nSimple hyperplasia without atypical cells\nComplex hyperplasia without atypical cells\nSimple hyperplasia without atypical cells\nComplex hyperplasia without atypical cells.\n\nLogically speaking least chances of malignant transformation are with simple hyperplasia without atypia and maximum chances are with complex hyperplasia with atypia.\nChances of Progression to Carcinoma:\nType of hyperplasia\n\nSimple without atypia - 1%°\nComplex without atypia - 3%°\nSimple with atypia\xa0- 8%°\nComplex with atypia\xa0- 29-30%°\nThus, from the table, it is reaffirmed that minimum chances of progression to carcinoma are with simple hyperplasia without atypia ( also called as cystic glandular hyperplasia )and maximum chances of carcinoma are with complex hyperplasia with atypia.', 'role': 'assistant'}]