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: Surgery
[{'content': 'True about diveiculitis \nSelect and explain. \nA. Occur at any age, B. Often incidental finding at operation, C. Young patient has more aggressive disease, D. Left sided colon involvement is more common', 'role': 'user'}, {'content': "Answer: D \nExplanation: diveiculosis usually presents as pain in the left iliac fossa,which is constant and radiates to back and groin.it is also associated with tenderness,bloody stool,massive hemorrhage,and mass in the left iliac fossa.complications includes perforation,progressive stenosis,pericolic abscess. Ref:SRB's manual of surgery,ed3,pg no837", 'role': 'assistant'}]