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Genetic testing technology has improved rapidly in the past 10 years. The breast cancer team (medical oncology, surgical breast oncology) at Henry Ford St. John Hospital in Detroit sees many patients who had genetic testing originally performed between 1998-2010, at the time of their initial cancer diagnosis. Broader multi-gene panel testing began to be offered around 2014 with more expansive gene interrogation. NCCN guidelines Version 1.2026 for breast cancers now include recommendations for patients to have updated multi-gene panel testing if they had single gene or limited testing in the past.
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Devlin et al. (2026) studied this question.
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