<prompt> The Van Nuys grading is used forLCISDCISMedullary carcinoma breastIDC  <response>: Ans. b DCISRef: Sabistons Textbook of Surgery, 20th ed p-853 DCIS prognosis is based on Van Nuys Grading Van Nuys Grading is used to decide whether RT can be avoided in selective cases after Lumpectomy Van Nuys favorable cases for whom RT can be avoided are - Low and Intermediate grade, DCIS 2.5cm size and Margin minimum 1cm after excision 