[A Case of Multicentric HER2-Positive Breast Cancer with Alterations of the Intrinsic Subtype]
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In cases where there are 2 or more tumors, it is crucial to conduct core needle biopsies on each of them. A 39-year-old woman presented at our hospital with pain in her left breast. Ultrasonography(US)revealed the presence of 2 contiguous tumors: a 35 mm tumor... ...