Fig 1. An example of counting area selection in a tumor with heterogeneous Ki-67 expression.
Three representative areas have been selected including a hot spot (area 1). (Original magnification: x 40 (large photo); x 200 (three small photos)).
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.