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: Surgery
The term "Left sided appendicitis" as popularly called is nothing but? 
Select and explain. 
A. Diveiculitis, B. Ascending colitis, C. Descending colitis, D. Typhilitis
A: Diveiculitis
Answer: A: Diveiculitis 
Explanation: Ans. is 'a' i.e., Diveiculitis