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': 'All are true about colonic lipoma except: \nSelect and explain. \nA. Squeeze sign on radiology, B. Most common site is Cecum, C. Most commonly subserosal, D. Most commonly submucosal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sho Chain Fatty Acids (SCFA) Sho chain fatty acids are produced in the colon and absorbed from it SCFAs: Acetate(60%), Propionate (25%), Butyrate (15%) Formed by action of colonic bacteria on complex carbohydrates, resistant starches, and other component of dietary fibres. Ref: Manigot 11th edition Pgno: 838', 'role': 'assistant'}]