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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