Fig. 2.
a Worst pattern of invasion type 5. A nest of tumor is present > 1 mm from the main bulk of the tumor (arrow), with intervening normal tissue. b High power image of separate tumor island. No perineural or lymphovascular origin is identified
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.