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 results. Positive for CD56 and Syn indicate small cell type NEC (A and B, ×40). Stains show a positive reaction in 34βE12, CK5/6, which identify SqCC (C and D, ×40). Strong positive for ki-67 (70%-80%, E, ×40). Magnifying views of A to E (F-J, ×400).
