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
All are true about Gardner's syndrome EXCEPT? 
Select and explain. 
A. Protein losing enteropathy, B. Always in 5th decade of life, C. Small intestine polyp, D. Malignancy is common
B: Always in 5th decade of life
Answer: B: Always in 5th decade of life 
Explanation: Ans. is 'b' i.e., Always in 5th decade of life