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How should a contralateral breast cancer be treated when found during a prophylactic mastectomy?

In a patient who recently completed NAC, TM/LND and PMRT for a hormone positive locally advanced breast cancer and is then found to have a contralateral breast cancer during prophylactic mastectomy for reconstruction, should further NAC and PMRT be provided if the pathology warrants it? What guides your decision to give further NAC or PMRT for a contralater breast cancer after recent completion of these modaliities for an ipislateral breast cancer?
1 Answer
Mednet Member
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Medical Oncology · University of Texas MD Anderson Cancer Center
Answered on

Whenever a contralateral prophylactic mastectomy is planned, diagnostic imaging of that breast and nodal basin is recommended pre-operatively if not done within the last month or so. Any abnormality should be resolved diagnostically and treated accordingly. Even with this process, incidental cancers...

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