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 and B) Immunohistochemical staining of sigmoid colon mass biopsy (×100) positive nuclear staining can be seen, which suggested CDX-2(+). (C and D) Liver puncture pathology and immunohistochemistry (×100): Syn (+), NSE (+), Ki-67 (about 70%), showing small cell type neuroendocrine carcinoma.
