An official website of the United States government
Here's how you know
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.
a, b Small cell lymphoma with proliferation centers (asterisk) and an uninvolved tonsillar germinal center (upper left corner) coexpressed CD20 and CD23 (inset). (a HE, 100×; b CD20, 100×, inset CD23, 100×)