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: Hematoxilin-eosin (H&E) staining of the tumour tissue (×20). B: H&E staining (×100) and cytokeratin 7 staining (lower right) of the tumour tissue. The tumour was completely necrotic. Tumour cells with abundant cytoplasm and large nuclei formed nests. Tumour structure was intact.
