Sorrentino L, et al. - Researchers sought to determine preoperative features predictive of nodal involvement in patients with ductal carcinoma in situ (DCIS) of the breast. Exclusion from sentinel node biopsy may not always be sufficiently justified by a preoperative diagnosis of DCIS, including advanced biopsy systems such as vacuum-assisted breast biopsy. In addition, axillary evaluation was recommended to be considered in DCIS patients with associated Breast Imaging Reporting and Data System (BI-RADS) >4, lesion extension ≥20 mm, comedo type, and above all multifocal disease.