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.
Subgroup analyses estimating prognostic value of primary tumor surgery grouped by different demographics and clinicopathologic characteristics. Hazard ratio (HR) <1.0 indicates that surgery is a favorable prognostic factor. (A), (B), (C), and (D) represents breast cancer, bladder cancer, lung cancer, and renal carcinoma, respectively.
