This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemorrhoids, Subject name: Surgery
[{'content': 'Stapler 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. is 'b' i.e., Circular cutting stapler Procedure for prolapse and hemorrhoides (PPH) -- aka MIPH -- aka stapled hemorrhoidectomy --o Minimally invasive proctoscopic hemorrhoidectomy -# In this procudure, a circular cutting stapler (PPH3) is used to excise a short. Circumferential segment of rectal mucosa proximal to dentate line, thus ligating venules feeding the hemorrhoides.", 'role': 'assistant'}]