Figure 1.
Differentiated PTCC of the urinary bladder (GI) showing high expression of P27 (brown nuclear staining) in more than 50% of stained malignant cells (streptavidin-biotin DAB; ×400)
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.