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: Medicine
[{'content': 'Aspirin should be given for the treatment of which cancer \nSelect and explain. \nA. Pancreatic cancer, B. Liver cancer, C. Colon cancer, D. Stomach cancer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Studies show long-term aspirin use lowers rates of precancerous colorectal polyps and prostate lesions," Bresalier explains. In fact, taking a low-dose aspirin daily could reduce your colon cancer and rectal cancer risks by as much as 50% Ref Davidson edition23rd pg 780', 'role': 'assistant'}]