Fig. 4.
Nomogram for the prediction of distant metastasis (DM) in patients with nasopharyngeal carcinoma (NPC) (a) Calibration curves of nomograms developed in the training (b) and validation (c) cohorts.
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.