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
Which among these has a moderately increased risk to develop into invasive breast carcinoma? 
Select and explain. 
A. Apocrine metaplasia, B. Ductal papillomatosis, C. Atypical ductal hyperplasia, D. Sclerosing adenosis
C: Atypical ductal hyperplasia
Answer: C: Atypical ductal hyperplasia 
Explanation: Cancer risk associated with Benign breast disease and carcinoma in situ Abnormality Relative risk Non proliferative lesions No increased risk Sclerosing adenosis No increased risk Duct papilloma No increased risk Florid hyperplasia 1.5- 2 X Atypical ductal hyperplasia 4 X Atypical lobular hyperplasia 4 X Ductal involvement by cells of Atypical ductal hyperplasia 7 X LCIS 10 X DCIS 10 X