Pathologic Complete Response of HER-2 Neu-Positive Invasive Ductal Carcinoma and Ductal Carcinoma In Situ following Neoadjuvant Chemotherapy plus Trastuzumab: A Case Report and Review of Literature
Figure 2
Pathologic findings from core needle biopsy before neoadjuvant chemotherapy. (a) H & E stain showing high-grade invasive carcinoma. (b) H & E stain demonstrating high-grade ductal carcinoma in situ associated with microcalcification (black arrow).
