A prospective, multi-center, randomized, double-arm trial to determine the impact of the SELENE system on positive margin rates in breast conservation surgery

Inclusion Criteria:

• Female
• Age 18 years or older
• Patients undergoing elective breast conservation surgery for the treatment of Stage 0-III invasive ductal and/or ductal carcinoma in situ
• May include subjects treated with neo-adjuvant therapy (endocrine and/or chemotherapeutic), but not required for study inclusion
• Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria:

• Male
• Metastatic cancer (Stage IV)
• Lobular carcinoma as primary diagnosis
• Previous ipsilateral breast surgery for benign or malignant disease (this includes implants and breast augmentation)
• Subjects with multi-centric disease (histologically diagnosed cancer in two different quadrants of the breast), unless resected in a single specimen
• Subjects with bilateral disease (diagnosed cancer in both breasts)
• Participating in any other investigational margin assessment study which can influence collection of valid data under this study
• Use of cryo-assisted localization
• Currently lactating
• Current pregnancy
• Subjects undergoing breast conserving surgery whose resected specimen will be evaluated with intraoperative pathology, frozen section, or imprint cytology