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.
Immunohistochemistry of traditional serrated adenoma (TSA) with p.Arg117fs. A, MutL homologue 1 (MLH1) staining; normal expression of the MLH1 mismatch repair (MMR) protein. B, MutS homologue 2 (MSH2) staining; loss of expression of the MSH2 MMR protein. C, MSH6 staining; loss of expression of the MSH6 MMR protein. D, PMS homologue 2 (PMS2) staining; normal expression of the PMS2 MMR protein.
