Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Hematoxylin–eosin staining revealing the large and small alveolar structures of tumor cells with nuclei of different sizes. A Buccal, ×400. B Breast, ×400. Immunohistochemical staining of the buccal lesion showing that the percentage of cells staining positive for estrogen receptor (ER) (C, ×400) and progesterone receptor (PgR) (D, ×400) was > 90% and 1–10%, respectively
