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.
Representative immunohistochemistry findings for a lung tumor. A lung cancer tumor with positive nuclear staining for (A) hypoxia-inducible factor-1α, (B) Ki-67 and (C) survivin, as well as positive cytoplasmic staining for (D) c-Myc (scale bar, 200 µm).
