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
Van Nuys grading system is used for? 
Select and explain. 
A. LCIS, B. DCIS, C. Inflammatory carcinoma breast, D. Medullary carcinoma breast
B: DCIS
Answer: B: DCIS 
Explanation: Answer- B. DCISVan Nuys prognostic index is widely used to classify ductal carcinoma in situ (DCIS) into dissimilar risk categories that may be treated accordingly.