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10963 Pathology

A 35-year-old woman who underwent a modified radical mastectomy of her right breast for infiltrating ductal carcinoma 2 years ago presents with enlargement of her right breast. The breast has a swollen, red-discolored appearance. It is diffusely indurated and tender on palpation. Multiple axillary lymph nodes are palpable in the lower axilla. The working clinical diagnosis is inflammatory carcinoma. Microscopic sections from this red, indurated area are most likely to reveal

ADuct ectasia with numerous plasma cells
BExtensive invasion of dermal lymphatics
CInfiltrating malignant ducts surrounded by numerous neutrophils
DMalignant vascular tumor forming slitlike spaces
Pathology
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