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': 'Diveiculum most common site is- \nSelect and explain. \nA. Sigmoid colon, B. Ileum, C. Ascending colon, D. Transverse colon', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Sigmoid colono The sigmoid colon is the segment of large bowel with the highest incidence of diveicula, and is by far the most frequent site for involvement with diveiculitis.", 'role': 'assistant'}]