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
The adenomatous polypi of large bowel are most often situated in - 
Select and explain. 
A. Ascending colon, B. Transverse colon, C. Descending colon, D. Sigmoid colon
D: Sigmoid colon
Answer: D: Sigmoid colon 
Explanation: Ans. is 'd' i.e., Sigmoid colon