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.
Five-year overall survival for patients with resected Intrahepatic Cholangiocarcinoma with lymph node evaluation, stratified by lymph node status and, for N0 patients, further stratified based on the optimal threshold for the number of lymph nodes to examine based on maximal chi-square testing. Number at risk is included along the X axis.
