This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
Colonic divericulosis and diverticulitis maximally seen in: 
Select and explain. 
A. Sigmoid colon, B. Rectum, C. Transverse colon, D. Ascending colon
A: Sigmoid colon
Answer: A: Sigmoid colon 
Explanation: Ans. (a) Sigmoid colonRef: Sabiston 20th edition, Page 1333Acquired diverticulum:* Most common site in colon -- sigmoid* Most common site in small intestine -- duodenum