This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
Diveiculum most common site is 
Select and explain. 
A. Sigmoid colon, B. Ileum, C. Ascending colon, D. Transverse colon
A: Sigmoid colon
Answer: A: Sigmoid colon 
Explanation: Sigmoid diveiculitis Diveicular disease refers to acquired pseudo diveicular outpouchings of the colonic mucosa and submucosa. Rare below 30yrs but prevalence approaches 50% beyond 60yrs. Diveicula generally are multiple and the condition is referred to as diveiculosis. PATHOGENESIS Colonic diveicula tend to develop under conditions of elevated intraluminal pressure in the sigmoid colon TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE.586 IMAGE REF: ROBBINS BASIC PATHOLOGY NINTH EDITION FIG: 14-25 PAGE 586