Duodenal Obstruction as First Presentation of Metastatic Breast Cancer

Figure 3

(a) Biopsy from the axillary mass shows infiltration by similar poorly differentiated neoplastic cells. The cells where positive for (b) HER2/neu. The overall findings were consistent with poorly differentiated adenocarcinoma of primary breast origin, most likely invasive ductal carcinoma.

(a)

(b)