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.
CONSORT diagram showing the selection criteria of neck squamous cell carcinoma of unknown primary (NSCCUP) patients of the two cohorts before and after standardization of diagnostic workup and therapy as well as the distribution of primary tumors detected leading to exclusion of initially suspect NSCCUP patients.
