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Background Breast conservation therapy has become a preferred method of treating early-stage breast cancer. As care continues to evolve, certain lesions allowed less invasive treatment options. A simplified explanation of early breast cancer care is detection, biopsy, surgery, and adjuvant therapy. The authors look to challenge that algorithm for a specific type of disease. Methods A retrospective review was performed to identify all subcentimeter breast cancer that underwent surgery after core biopsy. These cases ( n = 115) were analyzed for biopsy technique and outcome of final surgical excision to find when no residual disease was found on final pathology, potentially rendering the surgical resection an unneeded procedure. Results The authors found that 17 of 115 patients (14.8%) who underwent biopsy for subcentimeter breast cancer had no residual disease found on final surgical resection. Although the subsets were small, the largest core needle resulted in negative pathology two of three times, while the smallest gauge, never resulted in negative resection at time of surgery. Conclusions Nearly, fifteen percent of patients were found to have no residual disease on final surgical pathology. These results were obtained when the radiologist was simply trying to get tissue diagnosis. The authors postulate that this percentage could be even higher if protocols were initiated to biopsy these small lesions with larger core biopsies and possibly alleviate the need for formal surgery in these specific, small lesion. [ABSTRACT FROM AUTHOR]