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: Pathology
[{'content': 'Exfoliative cytology is useful in \nSelect and explain. \nA. Carcinoma stomach, B. Carcinoma bronchus, C. Carcinoma cervix, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of the above Exfoliative cytology is used for ? Cervical Ca. 3. Bronchogenic Ca. 5. Prostatic Ca. Endometrial Ca. 4. Bladder Ca. 6. Stomach Ca.", 'role': 'assistant'}]