This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rectum, Subject name: Surgery
[{'content': 'Which of the following stapler is used for MIPH? \nSelect and explain. \nA. Linear cutting stapler, B. Circular cutting stapler, C. Linear stapler, D. Circular stapler', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Circular stapler cuttingRef: Sabiston's Textbook of surgery, 20th edition, Pages 1402-03* Longo procedure is the stapled hemorrhoidopexy procedure.* The other name is minimally invasive procedure for hemorrhoids (MIPH).* Circular stapler is used in this procedure", 'role': 'assistant'}]