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': "The highest malignant potential is seen in - \nSelect and explain. \nA. Crohn's disease, B. Ulcerative colitis, C. Familial polyposis, D. Infantile polyp", 'role': 'user'}, {'content': 'Answer: C \nExplanation: “Colorectal cancer develops in 100% of untreated FAP patients often before the age of 30”.', 'role': 'assistant'}]