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Abstract #2133

Association of Preoperative MR Imaging Features with Positive Resection Margins in Breast Conservation Surgery

Min Sun Bae1, Luca A. Carbonaro1, Elizabeth J. Sutton1, and Elizabeth A. Morris1

1Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States

Breast conservation surgery (BCS) is a standard treatment for early-stage breast cancer, and includes a complete removal of the tumor with a margin of tumor-free breast tissue. If margins of the resected tissue are involved at final surgical pathology, patients undergo additional surgery. Although MR imaging is the most sensitive modality for breast cancer, the effect of preoperative MR imaging on the improvement of surgical outcomes is controversial. There are only a few studies evaluating association between preoperative MR imaging features and positive resection margins (RMs) in patients with invasive breast cancer.

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