Figure 1From: Secretory carcinoma of the breast containing the ETV6-NTRK3 fusion gene in a male: case report and review of the literatureTumor was grossly firm and circumscribed (1a). The histological pattern was microcystic (1b) with abundant intra and extracellular secretory material as showed by the colloidal iron stain which was diffuse and strongly positive (1c). The tumor was positive for S-100 protein (1d).Back to article page