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.
Flow diagram of patient recruitment. The flow diagram shows the number of patients and the specimens eligible for each stage of the study and the reason for any exclusions. PDAC, pancreatic ductal adenocarcinoma; and IHC, immunohistochemistry.
