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
Arrange the following in increasing order for risk of malignancy1.Fibroadenoma2.Sclerosing adenosis3.Atypical ductal hyperplasia4.Lobular carcinoma is situ 
Select and explain. 
A. 2, 1, 3, 4, B. 1, 2, 3, 4, C. 1, 2, 4, 3, D. 2, 1, 4, 3
B: 1, 2, 3, 4
Answer: B: 1, 2, 3, 4 
Explanation: Lesion
Relative risk




Fibroadenoma
1%


Sclerosing adenosis
1.5-2%


Atypical ductal hyperplasia
4-5%


Atypical lobular hyperplasia
8-10%