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., five- and B. eight-year OS and C. five- and D. eight-year CSS. The 45-degree straight line represents the perfect match between the actual (y-axis) and nomogram-predicted (x-axis) survival probabilities. The nomogram cohort was divided into 10 equal groups for external validation. A closer distance between two curves indicates higher accuracy.
