Figure 4

Cytokeratin 5/6 immunohistochemical-stained section of a case of high-grade ductal carcinoma in situ (DCIS); only occasional neoplastic cells show cytoplasmic reactivity.
Cytokeratin 5/6 immunohistochemical-stained section of a case of high-grade ductal carcinoma in situ (DCIS); only occasional neoplastic cells show cytoplasmic reactivity.