This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological diagnosis and operative surgery, Subject name: Gynaecology & Obstetrics
[{'content': 'Cryosurgery is effective in all except \nSelect and explain. \nA. Chronic cervicitis, B. Squamous intraepithelial lesion, C. Condyloma accuminata, D. Cases with severe dysplasia or CIS lesion', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Indications of cryosurgery Cervical ectopy Benign cervical lesions CIN Condyloma accuminata Leukoplakia VIN < 2cms size VAIN Vault granulation tissue Palliative measure to arrest bleeding in CA cervix or large fungating recurrent vulval carcinoma Ref: D.C.DUTTAS TEXTBOOK OF GYNECOLOGY; 6th edition; Pg no:591', 'role': 'assistant'}]