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Glossary Term:


one-step procedure



in breast cancer treatment, surgery done right after the biopsy (procedure to diagnose the cancer). The patient is given general anesthesia and does not know until waking up if the diagnosis was cancer or if extensive surgery (for instance mastectomy) was done. Once the only option in breast cancer, the one-step procedure is now rarely used, having been replaced by a two-step approach. See also anesthesia, biopsy, mastectomy, two-step procedure.