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: Pathology
[{'content': 'Most common site for colon cancer is ? \nSelect and explain. \nA. Caecum, B. Transverse colon, C. Rectosiigmoid, D. Ascending colon', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'None > c ' i.e., i.e., None > Rectosigmoid Colon cancer Viually 98% of all concers in the large intesting are adenocarcinoms. Peak age of presentation is 60-80 years.", 'role': 'assistant'}]