This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
All are true about Cancer breast, except: 
Select and explain. 
A. Affected sibling is a risk factor, B. Paget's disease of nipple is intraductal type of CA, C. Common in aged nulliparous, D. Increased incidence with prolonged breast feeding
D: Increased incidence with prolonged breast feeding
Answer: D: Increased incidence with prolonged breast feeding 
Explanation: Ans. (d) Increased incidence with prolonged breast feeding* Paget's Disease is a superficial manifest of an underlying Intra ductal carcinoma breast