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.
Survival curves in 32 study patients. Based on surgical risk assessment, 28 patients were selected for surgical treatment. The remaining 4 patients could not undergo the surgery and dead within 30 days. Furthermore, mortality rates in the early surgery group were equal with the delayed surgery group.
