Challenging Case: Mediastinal Mammary Malignancy

A 47-year-old woman presented with a left-sided, 10-cm breast mass with inflammatory skin changes. She had palpable left axillary and supraclavicular lymph nodes. Biopsy of the breast mass and both nodes demonstrated invasive ductal carcinoma, grade 3, estrogen receptor positive, progesterone receptor positive, and HER-2/neu negative.

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