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Surgical Technique May Reduce Positive Margin Rate in Breast Cancer Patients with DCIS

EurekAlert! Science News Releases

According to the American Cancer Society, a noninvasive breast cancer called ductal carcinoma in situ (DCIS) accounts for approximately one of every four new breast cancer cases in the United States. If left untreated, DCIS has the potential to evolve into invasive cancer, so many patients choose to have breast-conserving surgery or mastectomy after a diagnosis.

However, obtaining clear or negative margins -- no cancer cells in the outer edge of removed tissue -- is critical to mastectomy success as positive margins are associated with higher rates of recurrence.

A new study from Wake Forest School of Medicine suggests removing ...