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: Surgery
[{'content': "All are true about Gardner's syndrome EXCEPT- \nSelect and explain. \nA. Protein losing enteropathy, B. Always in 5th decade of life, C. Small intestine polyp, D. Malignancy is common", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]