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.
Immunohistochemical staining of Pan02 tumor sections, observed under light microscopy (× 100). A: immunohistochemical staining of cytokeratin (yellow stained membrane indicates cytokeratin-positive cells); B: Immunohistochemical staining of vimentin; C: Immunohistochemical staining of chromogranin A; D: Immunohistochemical staining of Ki67 (yellow stained nuclei indicate Ki67-positive cells). The left portions of the sections are normal pancreatic tissue.
