Figure 3.
Kaplan–Meier survival curves of 52 colorectal liver metastasis patients with Charlson comorbidity index ≧3 undergoing surgery or radiofrequency ablation (RFA) from the first time of both therapies.
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.