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Case report shows pathological complete response after therapy in breast cancer with endobronchial metastasis, indicating potential surgical options.
INTRODUCTION: Endobronchial metastasis from breast cancer is rare. Even in oligometastatic disease, systemic therapy remains the standard treatment, and the role of surgical resection is not well established. We report a case of endobronchial oligometastatic breast cancer that achieved pathological complete response (pCR) after endocrine therapy combined with a cyclin-dependent kinase 4/6 (CDK4/6) inhibitor, followed by pulmonary resection.
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Nitahara et al. (2026) studied this question.
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