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': 'Following is indication for colposcopy : \nSelect and explain. \nA. Suspicious pap smear, B. Obvious mass seen, C. Suspected invasive carcinoma, D. Patient who refuse biopsy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Colposcopy is a method of visualization of cervix under magnification While Pap smear detects abnormal cells, Colposcopy locates the abnormal lesion The aims of colposcopy are: To study the cervix when Pap smear detects abnormal cells To locate abnormal areas and take a biopsy To study the extent of abnormal lesion Conservative surgery under colposcopic guidance Follow-up of conservative therapy cases. Reference : Textbook of Gynaecology; Sheila balakrishnan; 2nd edition; Pg no:299,302', 'role': 'assistant'}]