Early Results From a Trial of Active Surveillance for Low-Risk DCIS are ‘Reassuring,’ Say Researchers
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April 1, 2026
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4 min
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LORD trial evaluates active surveillance vs immediate surgery for DCIS.
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Presented at EBCC15 by Dr. Jelle Wesseling.
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Involved 1,423 patients; monitored for two years.
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6% of active surveillance patients developed invasive cancer.
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9% in immediate surgery group developed invasive cancer.
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Active surveillance does not mean withholding treatment.
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Longer follow-up needed for conclusive results.
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Study contributes to reducing overtreatment in breast cancer.